diff --git a/fhem/contrib/HMCCU/88_HMCCUCHN.pm b/fhem/contrib/HMCCU/88_HMCCUCHN.pm
index eb5de857c..ac88c59b6 100644
--- a/fhem/contrib/HMCCU/88_HMCCUCHN.pm
+++ b/fhem/contrib/HMCCU/88_HMCCUCHN.pm
@@ -58,7 +58,7 @@ sub HMCCUCHN_Initialize ($)
 	$hash->{GetFn} = "HMCCUCHN_Get";
 	$hash->{AttrFn} = "HMCCUCHN_Attr";
 
-	$hash->{AttrList} = "IODev ccureadingfilter ccureadingformat:name,address,datapoint ccureadings:0,1 statedatapoint statevals substitute stripnumber:0,1,2 loglevel:0,1,2,3,4,5,6 ". $readingFnAttributes;
+	$hash->{AttrList} = "IODev ccureadingfilter ccureadingformat:name,address,datapoint ccureadings:0,1 ccustate statedatapoint statevals substitute stripnumber:0,1,2 loglevel:0,1,2,3,4,5,6 ". $readingFnAttributes;
 }
 
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