diff --git a/xos/synchronizer/models/models.py b/xos/synchronizer/models/models.py
index 380d44c..046e744 100644
--- a/xos/synchronizer/models/models.py
+++ b/xos/synchronizer/models/models.py
@@ -19,6 +19,7 @@
 from models_decl import VOLTService_decl
 from models_decl import VOLTServiceInstance_decl
 from models_decl import OLTDevice_decl
+from models_decl import PortBase_decl
 from models_decl import PONPort_decl
 from models_decl import NNIPort_decl
 from models_decl import ONUDevice_decl
@@ -83,6 +84,10 @@
 
         super(OLTDevice, self).delete(*args, **kwargs)
 
+class PortBase(PortBase_decl):
+    class Meta:
+        proxy = True
+
 class PONPort(PONPort_decl):
     class Meta:
         proxy = True