diff --git a/device-types/Cisco/WS-C3750E-24TD.yaml b/device-types/Cisco/WS-C3750E-24TD.yaml
index b18417e9..d7d59cc5 100644
--- a/device-types/Cisco/WS-C3750E-24TD.yaml
+++ b/device-types/Cisco/WS-C3750E-24TD.yaml
@@ -58,6 +58,16 @@ interfaces:
     type: 10gbase-x-x2
   - name: TenGigabitEthernet1/0/2
     type: 10gbase-x-x2
+  - name: StackPort1
+    type: cisco-stackwise-plus
+    mgmt_only: false
+    label: ''
+    description: ''
+  - name: StackPort2
+    type: cisco-stackwise-plus
+    mgmt_only: false
+    label: ''
+    description: ''
 console-ports:
   - name: con0
     type: rj-45