diff --git a/fhem/www/pgm2/fhemweb.js b/fhem/www/pgm2/fhemweb.js
index f5ff10b3c..634092ef3 100644
--- a/fhem/www/pgm2/fhemweb.js
+++ b/fhem/www/pgm2/fhemweb.js
@@ -1148,7 +1148,7 @@ FW_createTextField(elName, devName, vArr, currVal, set, params, cmd)
 
     $('#editdlg').dialog(
       { modal:true, closeOnEscape:true, width:$(window).width()*3/4,
-        maxHeight:$(window).height()*3/4,
+        height:$(window).height()*3/4,
         close:function(){ $('#editdlg').remove(); },
         buttons:[
         { text:"Cancel", click:function(){