diff --git a/lib/neutron_plugins/ml2 b/lib/neutron_plugins/ml2
index c5a4c02cc5..127d46bcd7 100644
--- a/lib/neutron_plugins/ml2
+++ b/lib/neutron_plugins/ml2
@@ -44,7 +44,7 @@ fi
 # L3 Plugin to load for ML2
 # For some flat network environment, they not want to extend L3 plugin.
 # Make sure it is able to set empty to ML2_L3_PLUGIN.
-ML2_L3_PLUGIN=${ML2_L3_PLUGIN-neutron.services.l3_router.l3_router_plugin.L3RouterPlugin}
+ML2_L3_PLUGIN=${ML2_L3_PLUGIN-router}
 
 function populate_ml2_config {
     CONF=$1