diff --git a/fhem/FHEM/30_HUEBridge.pm b/fhem/FHEM/30_HUEBridge.pm
index 3e7482417..0768bf988 100644
--- a/fhem/FHEM/30_HUEBridge.pm
+++ b/fhem/FHEM/30_HUEBridge.pm
@@ -474,6 +474,7 @@ HUEBridge_string2array($)
   return \@lights;
 }
 
+sub HUEBridge_Set($@);
 sub
 HUEBridge_Set($@)
 {