diff --git a/Puffer/module.php b/Puffer/module.php
index a2b75b2..8a17aba 100644
--- a/Puffer/module.php
+++ b/Puffer/module.php
@@ -15,8 +15,8 @@ class Puffer extends IPSModule
         $this->RegisterPropertyInteger("Aussentemp", 20);
         $this->RegisterPropertyInteger("MinVT_Temp", 20);
         $this->RegisterPropertyInteger("MaxVT_Temp", 80);
-        $this->RegisterPropertyInteger("MaxAT_Temp", 0);
-        $this->RegisterPropertyInteger("MinAT_Temp", 20);
+        $this->RegisterPropertyInteger("MaxAT_Temp", 20);
+        $this->RegisterPropertyInteger("MinAT_Temp", 0);
         $this->RegisterPropertyBoolean("Boilertemperatur_glätten", false);
         $this->RegisterPropertyString("Zeitplan", "");
         $this->RegisterPropertyInteger("Interval", 5); // Recheninterval