diff --git a/Boiler_2_Stufig_Landwirtschaft/module.php b/Boiler_2_Stufig_Landwirtschaft/module.php
index 49b8a5a..bdef834 100644
--- a/Boiler_2_Stufig_Landwirtschaft/module.php
+++ b/Boiler_2_Stufig_Landwirtschaft/module.php
@@ -82,7 +82,7 @@ class Boiler_2_Stufig_Landwirtschaft extends IPSModule
     }
 
     public function getNextTimeAndTemperature($zeitplan) {
-        $arr = json_decode($arrString);
+        $arr = json_decode($zeitplan);
             if (empty($arr)) {
             return null;
         }
diff --git a/library.json b/library.json
index 182f5a4..c507d51 100644
--- a/library.json
+++ b/library.json
@@ -6,7 +6,7 @@
     "compatibility": {
         "version": "7.1"
     },
-    "version": "1.033",
+    "version": "1.034",
     "build": 0,
     "date": 0
 }
\ No newline at end of file