diff --git a/genomix/src/main/resources/scripts/stopcc.sh b/genomix/src/main/resources/scripts/stopcc.sh
index c2f525a..1865054 100644
--- a/genomix/src/main/resources/scripts/stopcc.sh
+++ b/genomix/src/main/resources/scripts/stopcc.sh
@@ -4,7 +4,7 @@
 #Kill process
 PID=`ps -ef|grep ${USER}|grep java|grep hyracks|awk '{print $2}'`
 echo $PID
-kill -9 $PID
+[ "$PID" != "" ] && kill -9 $PID
 
 #Clean up CC temp dir
 rm -rf $CCTMP_DIR/*