diff --git a/fhem/www/pgm2/fhemweb.js b/fhem/www/pgm2/fhemweb.js
index 1d9878432..8959480a5 100644
--- a/fhem/www/pgm2/fhemweb.js
+++ b/fhem/www/pgm2/fhemweb.js
@@ -212,6 +212,8 @@ FW_jqueryReadyFn()
       }
       $("#content").append('<div id="devSpecHelp"></div>');
       FW_cmd(FW_root+"?cmd=help "+dev+"&XHR=1", function(data) {
+        if(!$("#devSpecHelp").length) // FHEM slow, user clicked again, #68166
+          return;
         $("#devSpecHelp").html(data);
         var off = $("#devSpecHelp").position().top-20;
         $('body, html').animate({scrollTop:off}, 500);