diff --git a/fhem/FHEM/01_FHEMWEB.pm b/fhem/FHEM/01_FHEMWEB.pm
index c2edcfca1..b9b41eba0 100755
--- a/fhem/FHEM/01_FHEMWEB.pm
+++ b/fhem/FHEM/01_FHEMWEB.pm
@@ -1087,7 +1087,7 @@ FW_showRoom()
               my $srf = $FW_room ? "&room=$FW_room" : "";
               my $cv = ReadingsVal($d, $cmd, Value($d));
               $cmd = "" if($cmd eq "state");
-              $cv =~ s/[^\d\.]//g; # remove non numbers
+              $cv =~ s/.*?(\d+).*/$1/; # get first number
               FW_pO "<td colspan='2'>".
                       "<div class='slider' id='slider.$d' ".
                            "min='$min' stp='$stp' max='$max' ".
diff --git a/fhem/www/pgm2/fhemweb.js b/fhem/www/pgm2/fhemweb.js
index 4f94376bd..38d987a67 100644
--- a/fhem/www/pgm2/fhemweb.js
+++ b/fhem/www/pgm2/fhemweb.js
@@ -52,16 +52,14 @@ FW_doUpdate()
     el = document.getElementById("slider."+d[0]);
     if(el) {
       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
+        var val = d[1].replace(/^.*?(\d+).*/g, "$1"); // get first number
         Slider(el, val);
       }
     }