diff --git a/pyfritzhome/fritzhome.py b/pyfritzhome/fritzhome.py
index 6b7a7ae..5feaa27 100644
--- a/pyfritzhome/fritzhome.py
+++ b/pyfritzhome/fritzhome.py
@@ -306,7 +306,7 @@ def set_target_temperature(self, ain, temperature, wait=False):
 
         if temp < 16:
             temp = 253
-        elif temp > 56:
+        elif temp > 56 and not temp == 253:
             temp = 254
 
         self._aha_request("sethkrtsoll", ain=ain, param={"param": temp})