diff --git a/fhem/FHEM/31_HUEDevice.pm b/fhem/FHEM/31_HUEDevice.pm
index b93a063e8..de2005081 100644
--- a/fhem/FHEM/31_HUEDevice.pm
+++ b/fhem/FHEM/31_HUEDevice.pm
@@ -114,6 +114,7 @@ sub HUEDevice_Undefine($$)
   return undef;
 }
 
+sub HUEDevice_Set($@);
 sub
 HUEDevice_Set($@)
 {