diff --git a/fhem/FHEM/59_Weather.pm b/fhem/FHEM/59_Weather.pm
index 3f455e7c2..b1b4158ba 100755
--- a/fhem/FHEM/59_Weather.pm
+++ b/fhem/FHEM/59_Weather.pm
@@ -29,6 +29,7 @@ use strict;
 use warnings;
 use Time::HiRes qw(gettimeofday);
 use HttpUtils;
+use vars qw($FW_ss); 
 
 #
 # uses the Yahoo! Weather API: http://developer.yahoo.com/weather/