diff --git a/ct/authentik.sh b/ct/authentik.sh
index ec20f6d51..4290c6bd1 100644
--- a/ct/authentik.sh
+++ b/ct/authentik.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Thieneret
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/casaos.sh b/ct/casaos.sh
index 46f774d66..e75e48ed5 100644
--- a/ct/casaos.sh
+++ b/ct/casaos.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/crafty-controller.sh b/ct/crafty-controller.sh
index 17af69e4c..379e2cc1b 100644
--- a/ct/crafty-controller.sh
+++ b/ct/crafty-controller.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/flaresolverr.sh b/ct/flaresolverr.sh
index 5b5927af0..9db8dc506 100644
--- a/ct/flaresolverr.sh
+++ b/ct/flaresolverr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster) | Co-Author: remz1337
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/homarr.sh b/ct/homarr.sh
index 620b147a9..e20d74fdf 100644
--- a/ct/homarr.sh
+++ b/ct/homarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ) | Co-Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/homeassistant.sh b/ct/homeassistant.sh
index 8bdc36d30..88cf48dc7 100644
--- a/ct/homeassistant.sh
+++ b/ct/homeassistant.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/homelable.sh b/ct/homelable.sh
index 5f7d6c1dd..38fbabb25 100644
--- a/ct/homelable.sh
+++ b/ct/homelable.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/influxdb.sh b/ct/influxdb.sh
index aa75ebcbd..dd82440ee 100644
--- a/ct/influxdb.sh
+++ b/ct/influxdb.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/iventoy.sh b/ct/iventoy.sh
index 89aac7813..5066c4ab4 100644
--- a/ct/iventoy.sh
+++ b/ct/iventoy.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: tteck (tteckster) | MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/metube.sh b/ct/metube.sh
index 71d767e5b..bfa2d6e14 100644
--- a/ct/metube.sh
+++ b/ct/metube.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/netbird.sh b/ct/netbird.sh
index 8359805be..5bcac0843 100644
--- a/ct/netbird.sh
+++ b/ct/netbird.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: TechHutTV
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/networkoptimizer.sh b/ct/networkoptimizer.sh
index 5cefaaf09..aec1a7ec3 100644
--- a/ct/networkoptimizer.sh
+++ b/ct/networkoptimizer.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/npmplus.sh b/ct/npmplus.sh
index b8b394059..e61eb429f 100644
--- a/ct/npmplus.sh
+++ b/ct/npmplus.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/obsidian-livesync.sh b/ct/obsidian-livesync.sh
index 6b9a21879..60e561d55 100644
--- a/ct/obsidian-livesync.sh
+++ b/ct/obsidian-livesync.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/omada.sh b/ct/omada.sh
index 25bfe4ed6..9b0f79bb6 100644
--- a/ct/omada.sh
+++ b/ct/omada.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/pegaprox.sh b/ct/pegaprox.sh
index b90e1b82c..dc2e39e92 100644
--- a/ct/pegaprox.sh
+++ b/ct/pegaprox.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/prowlarr.sh b/ct/prowlarr.sh
index 548e3e834..5b35cabaa 100644
--- a/ct/prowlarr.sh
+++ b/ct/prowlarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/radarr.sh b/ct/radarr.sh
index 2c3f9c1c3..e8527b372 100644
--- a/ct/radarr.sh
+++ b/ct/radarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/searxng.sh b/ct/searxng.sh
index 668546d13..90ff38511 100644
--- a/ct/searxng.sh
+++ b/ct/searxng.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/seerr.sh b/ct/seerr.sh
index 9b43ec2cb..2228646ce 100644
--- a/ct/seerr.sh
+++ b/ct/seerr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: CrazyWolf13
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/sonarr.sh b/ct/sonarr.sh
index bf45b463e..fcd649a4f 100644
--- a/ct/sonarr.sh
+++ b/ct/sonarr.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/stirling-pdf.sh b/ct/stirling-pdf.sh
index 0ccf8263c..1cb274fd4 100644
--- a/ct/stirling-pdf.sh
+++ b/ct/stirling-pdf.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wazuh.sh b/ct/wazuh.sh
index 4158920f2..6982c159a 100644
--- a/ct/wazuh.sh
+++ b/ct/wazuh.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: Omar Minaya
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/wordpress.sh b/ct/wordpress.sh
index 044f3e4bf..efb7d902a 100644
--- a/ct/wordpress.sh
+++ b/ct/wordpress.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (Canbiz)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
diff --git a/ct/zabbix.sh b/ct/zabbix.sh
index 27acbbd02..694276e82 100644
--- a/ct/zabbix.sh
+++ b/ct/zabbix.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
-source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
 # Copyright (c) 2021-2026 community-scripts ORG
 # Author: MickLesk (CanbiZ)
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE