diff --git a/usr/local/bin/systemd_check b/usr/local/bin/systemd_check
index 134aa1b..a3953ce 100755
--- a/usr/local/bin/systemd_check
+++ b/usr/local/bin/systemd_check
@@ -74,21 +74,18 @@ done < "$SYSTEMD_CHECK_LIST_FILE"
 function checkService() {
 	local SERVICE=$1;
 	local MESSAGE="$SERVICE is not running for user $SYSTEMD_CHECK_USER";
+
+	local ROOT_COMMAND="systemctl is-active --quiet $SERVICE";
+	local USER_COMMAND="systemctl --user is-active --quiet $SERVICE";
+
 	local RESULT=1;
 
 	if [ "$(id -u)" != "0" ]; then
-		local USER_COMMAND="systemctl --user is-active --quiet $SERVICE";
-		RESULT=$($USER_COMMAND);
-		if [ -z "$RESULT" ]; then
+		if [ $($USER_COMMAND) ]; then
 			RESULT=0;
 		fi
 	else
-		local ROOT_COMMAND="systemctl is-active --quiet $SERVICE";
-		local USER_COMMAND="systemctl --user is-active --quiet $SERVICE";
-		local RESULT_ROOT_COMMAND=$($ROOT_COMMAND);
-		local RESULT_USER_COMMAND=$($USER_COMMAND);
-
-		if [ -z "$RESULT_ROOT_COMMAND" ] || [ -z "$RESULT_USER_COMMAND" ]; then
+		if [ $($ROOT_COMMAND) ] || [ $($USER_COMMAND) ]; then
 			RESULT=0;
 		fi
 	fi