diff --git a/weli_hobu_garage_door/hobu.js b/weli_hobu_garage_door/hobu.js
index 548466a..2569d8d 100644
--- a/weli_hobu_garage_door/hobu.js
+++ b/weli_hobu_garage_door/hobu.js
@@ -59,9 +59,9 @@ function handleGlobalCheck(data) {
 
 function filterGarageEntry(data) {
   const keyword = Conf.keywords.garage
-  if(data.whatswrong !== undefined) {
-    return [];
-  } else {
+  if(Helper.isDefinedAndNotNull(data.whatswrong)) {
     return data.whatswrong.filter(function(entry) { return entry.msgOnErr.indexOf(keyword) >= 0 })
+  } else {
+    return [];
   }
 }