diff --git a/libs/systemd.js b/libs/systemd.js
index 34647b6..d1d8916 100644
--- a/libs/systemd.js
+++ b/libs/systemd.js
@@ -13,10 +13,10 @@ async function getServiceState(name) {
 }
 
 async function setServiceState(name, args) {
-    if (name === undefined || args === undefined) {
+    if (name === undefined) {
         return;
     }
-    let state = args.get('state');
+    let state = args?.get('state');
     if (state === undefined) {
         const msg = 'missing argument \'state\', pass either \'active\', \'inactive\' or \'toggle\'';
         logger.debug(msg);