diff --git a/fhem/FHEM/00_THZ.pm b/fhem/FHEM/00_THZ.pm
index 1865a32aa..ce78c44a6 100644
--- a/fhem/FHEM/00_THZ.pm
+++ b/fhem/FHEM/00_THZ.pm
@@ -318,7 +318,7 @@ my %sets439 = (
     "p55MaxPumpCycles"			=> {cmd2=>"0A05B7", argMin =>  "25", argMax =>  "200",	type =>"1clean",  unit =>""},
     "p56OutTempMaxPumpCycles"		=> {cmd2=>"0A05B9", argMin =>  "1",  argMax =>   "20",	type =>"5temp",  unit =>" °C"},
     "p57OutTempMinPumpCycles"		=> {cmd2=>"0A05BA", argMin =>  "1",  argMax =>   "25",	type =>"5temp",  unit =>" °C"},
-    "p99RoomThermCorrection"		=> {cmd2=>"0A0109", argMin =>  "-5", argMax =>    "5", 	type =>"4temp",  unit =>" K"},
+    "p76RoomThermCorrection"		=> {cmd2=>"0A0109", argMin =>  "-5", argMax =>    "5", 	type =>"4temp",  unit =>" K"},
     "p35PasteurisationInterval"		=> {cmd2=>"0A0586", argMin =>  "1",  argMax =>   "30", 	type =>"1clean",  unit =>""},
     "p35PasteurisationTemp"		=> {cmd2=>"0A0587", argMin =>  "10", argMax =>   "65", 	type =>"5temp",  unit =>" °C"},
     "p34BoosterDHWTempAct"		=> {cmd2=>"0A0589", argMin => "-10", argMax =>   "10", 	type =>"5temp",  unit =>" °C"},