diff --git a/src/sonic-yang-models/yang-models/sonic-vlan-sub-interface.yang b/src/sonic-yang-models/yang-models/sonic-vlan-sub-interface.yang
index d0902f909ffd..953aa7e14c80 100644
--- a/src/sonic-yang-models/yang-models/sonic-vlan-sub-interface.yang
+++ b/src/sonic-yang-models/yang-models/sonic-vlan-sub-interface.yang
@@ -14,6 +14,10 @@ module sonic-vlan-sub-interface {
         prefix port;
     }
 
+    import sonic-portchannel {
+        prefix lag;
+    }
+
     import sonic-vrf {
         prefix vrf;
     }