diff --git a/fhem/www/pgm2/fhemdoc_modular.js b/fhem/www/pgm2/fhemdoc_modular.js
index 57fe5436b..42185444e 100644
--- a/fhem/www/pgm2/fhemdoc_modular.js
+++ b/fhem/www/pgm2/fhemdoc_modular.js
@@ -103,7 +103,7 @@ loadOneDoc(mname, lang)
     ret = ret.replace(/Keine deutsche Hilfe gefunden!<br\/>/,'');
     ret = '<div id="FD_'+mname+'">'+ret+'</div>';
     ret = ret.replace(/target="_blank"/g, '');  // revert help URL rewrite
-    ret = ret.replace(/href=".*?commandref.*?.html#/g, 'href="#');
+    ret = ret.replace(/href="[^"]*commandref[^"]*.html#/g, 'href="#');
 
     if(fd_loadedHash[mname])
       $("div#FD_"+mname).remove();