diff --git a/fhem/FHEM/98_help.pm b/fhem/FHEM/98_help.pm
index f73461289..184771387 100644
--- a/fhem/FHEM/98_help.pm
+++ b/fhem/FHEM/98_help.pm
@@ -85,6 +85,18 @@ sub CommandHelp {
}
+ my $url_prefix;
+
+ if(AttrVal('global','exclude_from_update','') =~ m/commandref/) {
+ $url_prefix = "http://fhem.de/commandref$lang.html";
+ } else {
+ $url_prefix = "$FW_ME/docs/commandref$lang.html";
+ }
+
+ # replace tags with a
+ # working real link to commandref
+ $output =~ s,