diff --git a/nodemgmt-scripts.sh b/nodemgmt-scripts.sh
index 5e9e216f..53827d0f 100755
--- a/nodemgmt-scripts.sh
+++ b/nodemgmt-scripts.sh
@@ -505,7 +505,7 @@ CHECK_DOCKER_SERVICES(){
 		dockers=${NTYPE}_DOCKER[@]
 		hosts=${NTYPE}_HOSTS[@]
 		
-		if [ -n "${!dockers}" ]; then
+		if [[ -v ${!dockers} ]]; then
 			if [ "${ST_ACTION}" != "check" ]; then
 				echo -e "${idsST[Bold]}"; DIVIDER
 				echo -e "${idsCL[Yellow]} ${NM_NODETYPES[$NTYPE]}-Node Docker Service(s) Status${idsCL[Default]}"