diff --git a/lib/neutron b/lib/neutron
index 43f43f9..a909b8b 100644
--- a/lib/neutron
+++ b/lib/neutron
@@ -505,8 +505,7 @@
         [ ! -z "$pid" ] && sudo kill -9 $pid
     fi
     if is_service_enabled q-meta; then
-        pid=$(ps aux | awk '/neutron-ns-metadata-proxy/ { print $2 }')
-        [ ! -z "$pid" ] && sudo kill -9 $pid
+        pkill -9 -f neutron-ns-metadata-proxy
     fi
 
     if is_service_enabled q-lbaas; then