diff --git a/fhem/www/pgm2/fhemweb.js b/fhem/www/pgm2/fhemweb.js
index eecf2b782..8f6b424c5 100644
--- a/fhem/www/pgm2/fhemweb.js
+++ b/fhem/www/pgm2/fhemweb.js
@@ -48,10 +48,20 @@ FW_doUpdate()
 
       }
     }
+
     el = document.getElementById("slider."+d[0]);
     if(el) {
-      var val = d[1].replace(/[^\d\.]/g, ""); // remove non numbers
-      Slider(el, val);
+      var doSet = 1;    // Only set the "state" slider in the detail view
+      if(el.parentNode.getAttribute("name") == "val.set"+d[0]) {
+        var el2 = document.getElementsByName("arg.set"+d[0])[0];
+        if(el2.nodeName.toLowerCase() == "select" &&
+           el2.options[el2.selectedIndex].value != "state")
+          doSet = 0;
+      }
+      if(doSet) {
+        var val = d[1].replace(/[^\d\.]/g, ""); // remove non numbers
+        Slider(el, val);
+      }
     }
   }
   //Next time, we continue at the next line