diff --git a/fhem/FHEM/30_pilight_dimmer.pm b/fhem/FHEM/30_pilight_dimmer.pm
index 747f45eb7..4f1c8897f 100644
--- a/fhem/FHEM/30_pilight_dimmer.pm
+++ b/fhem/FHEM/30_pilight_dimmer.pm
@@ -1,5 +1,4 @@
 ##############################################
-# $Id: 20_pilight_dimmer.pm 2015-02-26 Risiko $
 #
 # Usage
 # 
@@ -115,6 +114,7 @@ sub pilight_dimmer_Set($$)
   Log3 $me, 4, "$me(Set): $msg";
   
   IOWrite($hash, $msg);
+  return undef;
 }
 
 
diff --git a/fhem/FHEM/30_pilight_switch.pm b/fhem/FHEM/30_pilight_switch.pm
index d9343f39d..7b83d2d46 100644
--- a/fhem/FHEM/30_pilight_switch.pm
+++ b/fhem/FHEM/30_pilight_switch.pm
@@ -1,5 +1,4 @@
 ##############################################
-# $Id: 20_pilight_switch.pm 0.11 2015-03-29 Risiko $
 #
 # Usage
 # 
@@ -109,6 +108,7 @@ sub pilight_switch_Set($$)
   
   my $msg = "$me,$v";
   IOWrite($hash, $msg);
+  return undef;
 }