diff --git a/fhem/FHEM/01_FHEMWEB.pm b/fhem/FHEM/01_FHEMWEB.pm
index 674ac4108..57226e3e7 100755
--- a/fhem/FHEM/01_FHEMWEB.pm
+++ b/fhem/FHEM/01_FHEMWEB.pm
@@ -518,7 +518,7 @@ FW_answerCall($)
     $iconPath =~ m/(.*)\.([^.]*)/;
     return FW_serveSpecial($1, $2, $FW_icondir, $cacheable);
 
-  } elsif($arg =~ m,^$FW_ME/(.*)/([^/]*)$,) {          # the "normal" case
+  } elsif($arg =~ m,^$FW_ME/(.*)/([^/]*)$, && !$data{FWEXT}{"/$1"}) {
     my ($dir, $ofile, $ext) = ($1, $2, "");
     $dir =~ s/\.\.//g;
     $dir =~ s,www/,,g; # Want commandref.html to work from file://...
diff --git a/fhem/README_DEMO.txt b/fhem/README_DEMO.txt
index 978b59663..efe2db863 100644
--- a/fhem/README_DEMO.txt
+++ b/fhem/README_DEMO.txt
@@ -7,7 +7,10 @@ HOWTO:
     perl fhem.pl fhem.cfg.demo
   (typed in a terminal) and point your browser to http://YourFhemHost:8083
   Use the startfhemDemo skript on the FritzBox.
-
+  If you'd like to see the RSS demo, you have to install the Perl GD library,
+  e.g. with:
+    sudo apt-get install libgd-gd2-perl
+    sudo apt-get install libgd-text-perl
 
 Stopping:
   - type shutdown in the browser command window, followed by RETURN