diff --git a/fhem/CHANGED b/fhem/CHANGED
index b6e488230..2014fae5d 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -1,5 +1,6 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+ - bugfix:  88_HMCCU: Do not touch state during device definition
  - bugfix: 70_VIERA: correction of "Rolling Key" 
  - feature: 70_VIERA: add. GetStatus after on_off command
  - feature: 70_BRAVIA: new attribute wolBroadcast used as address for WOL packet
diff --git a/fhem/FHEM/88_HMCCUCHN.pm b/fhem/FHEM/88_HMCCUCHN.pm
index eb590a077..263578812 100644
--- a/fhem/FHEM/88_HMCCUCHN.pm
+++ b/fhem/FHEM/88_HMCCUCHN.pm
@@ -4,9 +4,9 @@
 #
 #  $Id$
 #
-#  Version 4.3.009
+#  Version 4.3.010
 #
-#  (c) 2019 zap (zap01 <at> t-online <dot> de)
+#  (c) 2020 zap (zap01 <at> t-online <dot> de)
 #
 ######################################################################
 #  Client device for Homematic channels.
@@ -116,7 +116,7 @@ sub HMCCUCHN_Define ($@)
 		# CCU not ready during FHEM start
 		if (!defined ($hmccu_hash) || $hmccu_hash->{ccustate} ne 'active') {
 			Log3 $name, 2, "HMCCUCHN: [$devname] Cannot detect IO device, maybe CCU not ready. Trying later ...";
-			readingsSingleUpdate ($hash, "state", "Pending", 1);
+#			readingsSingleUpdate ($hash, "state", "Pending", 1);
 			$hash->{ccudevstate} = 'pending';
 			return undef;
 		}
@@ -155,7 +155,7 @@ sub HMCCUCHN_InitDevice ($$) {
 	$dev_hash->{ccuname} = $dn;
 	$dev_hash->{ccutype} = $dt;
 
-	readingsSingleUpdate ($dev_hash, "state", "Initialized", 1);
+#	readingsSingleUpdate ($dev_hash, "state", "Initialized", 1);
 	$dev_hash->{ccudevstate} = 'active';
 	
 	return 0;
diff --git a/fhem/FHEM/88_HMCCUDEV.pm b/fhem/FHEM/88_HMCCUDEV.pm
index 170bb851e..6a9fb1d82 100644
--- a/fhem/FHEM/88_HMCCUDEV.pm
+++ b/fhem/FHEM/88_HMCCUDEV.pm
@@ -4,9 +4,9 @@
 #
 #  $Id$
 #
-#  Version 4.3.011
+#  Version 4.3.012
 #
-#  (c) 2019 zap (zap01 <at> t-online <dot> de)
+#  (c) 2020 zap (zap01 <at> t-online <dot> de)
 #
 ######################################################################
 #  Client device for Homematic devices.
@@ -141,7 +141,7 @@ sub HMCCUDEV_Define ($@)
 		# CCU not ready during FHEM start
 		if (!defined ($hmccu_hash) || $hmccu_hash->{ccustate} ne 'active') {
 			Log3 $name, 2, "HMCCUDEV: [$devname] Cannot detect IO device, maybe CCU not ready. Trying later ...";
-			readingsSingleUpdate ($hash, "state", "Pending", 1);
+#			readingsSingleUpdate ($hash, "state", "Pending", 1);
 			$hash->{ccudevstate} = 'pending';
 			return undef;
 		}
@@ -275,7 +275,7 @@ sub HMCCUDEV_InitDevice ($$)
 	# Inform HMCCU device about client device
 	return 2 if (!HMCCU_AssignIODevice ($dev_hash, $hmccu_hash->{NAME}, undef));
 	
-	readingsSingleUpdate ($dev_hash, "state", "Initialized", 1);
+#	readingsSingleUpdate ($dev_hash, "state", "Initialized", 1);
 	$dev_hash->{ccudevstate} = 'active';
 	
 	return 0;