diff --git a/scripts/check_proxy_state.sh b/scripts/check_proxy_state.sh
index 08d10f7..866fd15 100755
--- a/scripts/check_proxy_state.sh
+++ b/scripts/check_proxy_state.sh
@@ -50,7 +50,7 @@ do_proxy_restart() {
 	done
 	# in case of new proxy configuration generated needed to copy the domain name  to the configs file.then remove new_config flag.
 	if [[ -f $PROXY_CONFIG_DIR/new_config ]] ; then 
-		if ! grep $DOMAIN $PROXY_CONFIG_DIR/new_config ; then 
+		if [[ "$(grep $DOMAIN $PROXY_CONFIG_DIR/new_config)" == "" ]] ; then 
 			cat $PROXY_CONFIG_DIR/new_config >> $PROXY_CONFIG_DIR/config;
 		fi