diff --git a/HauptManager/module.php b/HauptManager/module.php
index 37b9059..c9e907c 100644
--- a/HauptManager/module.php
+++ b/HauptManager/module.php
@@ -53,7 +53,7 @@ class HauptManager extends IPSModule
 
            $decodedUser = json_decode(GetValue($user["User_Up"]), true);
 
-            if (isset($decodedUser["Timestamp"]) && (($currentTime - $decodedUser["Timestamp"])) < 30) {
+            if (isset($decodedUser["timestamp"]) && (($currentTime - $decodedUser["timestamp"])) < 30) {
                 
                 foreach ($decodedUser["User"] as $subuser) {
                     $subuser['Writeback'] = $user["User_Down"];