diff --git a/device-types/Juniper/EX3400-24P.yaml b/device-types/Juniper/EX3400-24P.yaml
index 420aa990..c5ec364c 100644
--- a/device-types/Juniper/EX3400-24P.yaml
+++ b/device-types/Juniper/EX3400-24P.yaml
@@ -1,6 +1,6 @@
 manufacturer: Juniper
-model: EX4300-24P
-slug: ex4300-24p
+model: EX3400-24P
+slug: ex3400-24p
 interfaces:
   - name: ge-0/0/0
     type: 1000base-t
diff --git a/device-types/Juniper/EX3400-24T.yaml b/device-types/Juniper/EX3400-24T.yaml
index 8084fe9d..3f9595bf 100644
--- a/device-types/Juniper/EX3400-24T.yaml
+++ b/device-types/Juniper/EX3400-24T.yaml
@@ -1,6 +1,6 @@
 manufacturer: Juniper
-model: EX4300-24T
-slug: ex4300-24t
+model: EX3400-24T
+slug: ex3400-24t
 interfaces:
   - name: ge-0/0/0
     type: 1000base-t
diff --git a/device-types/Juniper/EX4300-24P.yaml b/device-types/Juniper/EX4300-24P.yaml
index 25297eb6..a7f4653f 100644
--- a/device-types/Juniper/EX4300-24P.yaml
+++ b/device-types/Juniper/EX4300-24P.yaml
@@ -1,6 +1,6 @@
 manufacturer: Juniper
-model: EX4300-24P
-slug: ex4300-24p
+model: EX3400-24P
+slug: ex3400-24p
 interfaces:
   - name: ge-0/0/0
     type: 1000base-t