diff --git a/pregelix/pregelix-core/src/main/resources/scripts/stopnc.sh b/pregelix/pregelix-core/src/main/resources/scripts/stopnc.sh
index 021071a..80d3a4a 100644
--- a/pregelix/pregelix-core/src/main/resources/scripts/stopnc.sh
+++ b/pregelix/pregelix-core/src/main/resources/scripts/stopnc.sh
@@ -2,11 +2,11 @@
 . conf/cluster.properties
 
 #Kill process
-PID=`ps -ef|grep ${USER}|grep java|grep hyracks|awk '{print $2}'`
+PID=`ps -ef|grep ${USER}|grep java|grep 'Dapp.name=hyrackscc'|awk '{print $2}'`
 
 if [ "$PID" == "" ]; then
   USERID=`id | sed 's/^uid=//;s/(.*$//'`
-  PID=`ps -ef|grep ${USERID}|grep java|grep hyracks|awk '{print $2}'`
+  PID=`ps -ef|grep ${USERID}|grep java|grep 'Dapp.name=hyracksnc'|awk '{print $2}'`
 fi
 
 echo $PID