diff --git a/nova/network/neutronv2/api.py b/nova/network/neutronv2/api.py
index 8ad277d99f71..ec35572a8bc5 100644
--- a/nova/network/neutronv2/api.py
+++ b/nova/network/neutronv2/api.py
@@ -454,7 +454,6 @@ class API(base_api.NetworkAPI):
         """Return the port for the client given the port id."""
         return neutronv2.get_client(context).show_port(port_id)
 
-    @base_api.refresh_cache
     def get_instance_nw_info(self, context, instance, networks=None,
                              port_ids=None, use_slave=False):
         """Return network information for specified instance
@@ -465,6 +464,8 @@ class API(base_api.NetworkAPI):
         #                   the master. For now we just ignore this arg.
         result = self._get_instance_nw_info(context, instance, networks,
                                             port_ids)
+        base_api.update_instance_cache_with_nw_info(self, context, instance,
+                                                    result, update_cells=False)
         return result
 
     def _get_instance_nw_info(self, context, instance, networks=None,