diff --git a/fhem/FHEM/Color.pm b/fhem/FHEM/Color.pm
index 8f975ae18..c47ba2da4 100644
--- a/fhem/FHEM/Color.pm
+++ b/fhem/FHEM/Color.pm
@@ -6,6 +6,8 @@ package main;
 use strict;
 use warnings;
 
+use vars qw($FW_ME);
+
 sub
 Color_Initialize()
 {