diff --git a/fhem/CHANGED b/fhem/CHANGED
index 5a3643f31..897427ff0 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: Fixed bug in RPC callback URL creation.
  - bugfix:  OpenWeatherMapAPI: fix Use of uninitialized value in sprintf
  - change:  58_HVAC_DaikinAC.pm: initial checkin for new module.
             Forum topic #109562
diff --git a/fhem/FHEM/88_HMCCU.pm b/fhem/FHEM/88_HMCCU.pm
index d06697a12..4a1b94833 100755
--- a/fhem/FHEM/88_HMCCU.pm
+++ b/fhem/FHEM/88_HMCCU.pm
@@ -4,7 +4,7 @@
 #
 #  $Id$
 #
-#  Version 4.3.024
+#  Version 4.3.025
 #
 #  Module for communication between FHEM and Homematic CCU2/3.
 #
@@ -52,7 +52,7 @@ my %HMCCU_CUST_CHN_DEFAULTS;
 my %HMCCU_CUST_DEV_DEFAULTS;
 
 # HMCCU version
-my $HMCCU_VERSION = '4.3.024';
+my $HMCCU_VERSION = '4.3.025';
 
 # Constants and default values
 my $HMCCU_MAX_IOERRORS = 100;
@@ -3780,7 +3780,7 @@ sub HMCCU_GetRPCCallbackURL ($$$$$)
 
 	return undef if (!defined ($hash));
 	
-	my $hmccu_hash = $hash->{TYPE} eq 'HMCCURPC' ? $hash->{IODev} : $hash;
+	my $hmccu_hash = $hash->{TYPE} eq 'HMCCURPCPROC' ? $hash->{IODev} : $hash;
 	
 	return undef if (!exists ($hmccu_hash->{hmccu}{interfaces}{$iface}) &&
 		!exists ($hmccu_hash->{hmccu}{ifports}{$iface}));