diff --git a/ifupdown/ifupdownmain.py b/ifupdown/ifupdownmain.py
index 0f6a019..d069f8e 100644
--- a/ifupdown/ifupdownmain.py
+++ b/ifupdown/ifupdownmain.py
@@ -696,7 +696,10 @@ class ifupdownMain(ifupdownBase):
         if ifaceobj.compare(currentifaceobjlist[0]):
             self.logger.warn('duplicate interface %s found' %ifaceobj.name)
             return
-        currentifaceobjlist[0].squash(ifaceobj)
+        if ifaceobj.type == ifaceType.BRIDGE_VLAN:
+            self.ifaceobjdict[ifaceobj.name].append(ifaceobj)
+        else:
+            currentifaceobjlist[0].squash(ifaceobj)
 
     def _save_iface(self, ifaceobj):
         if self._check_config_no_repeats(ifaceobj):