diff --git a/usr/local/bin/systemd_check b/usr/local/bin/systemd_check
index 8db2f07..8e60a13 100755
--- a/usr/local/bin/systemd_check
+++ b/usr/local/bin/systemd_check
@@ -85,7 +85,7 @@ function checkService() {
 			RESULT=1;
 		fi
 	else
-		if [ ! $($ROOT_COMMAND) ] && [ ! $($USER_COMMAND) ]; then
+		if ! $($ROOT_COMMAND) && ! $($USER_COMMAND); then
 			RESULT=1;
 		fi
 	fi