diff --git a/FHEM/00_ZWDongle.pm b/FHEM/00_ZWDongle.pm
index e56b85065..af2819985 100644
--- a/FHEM/00_ZWDongle.pm
+++ b/FHEM/00_ZWDongle.pm
@@ -92,9 +92,21 @@ ZWDongle_Initialize($)
   $hash->{GetFn}   = "ZWDongle_Get";
   $hash->{AttrFn}  = "ZWDongle_Attr";
   $hash->{UndefFn} = "ZWDongle_Undef";
-  $hash->{AttrList}= "do_not_notify:1,0 dummy:1,0 model:ZWDongle disable:0,1 ".
-                     "helpSites:multiple,pepper,alliance homeId networkKey ".
-                     "neighborListPos neighborListFmt";
+  no warnings 'qw';
+  my @attrList = qw(
+    do_not_notify:1,0
+    dummy:1,0
+    model:ZWDongle
+    disable:0,1
+    helpSites:multiple,pepper,alliance
+    homeId
+    networkKey
+    neighborListPos
+    neighborListFmt
+    showSetInState:1,0
+  );
+  use warnings 'qw';
+  $hash->{AttrList} = join(" ", @attrList);
 
   $hash->{FW_detailFn} = "ZWDongle_fhemwebFn";
 }
@@ -957,6 +969,10 @@ ZWDongle_Attr($$$$)
       return "attr $name networkKey: not a hex string with a length of 32";
     }
     return;
+
+  } elsif($attr eq "showSetInState") {
+    $hash->{showSetInState} = ($cmd eq "set" ? (defined($value) ? $value:1) :0);
+
   }
 
   return undef;
@@ -1237,6 +1253,14 @@ ZWDongle_Ready($)
         { txt=>"NAME", img=>"IMAGE", title=>"Time to ack: timeToAck" }
       </code></ul>
       </li>
+    <li><a name="showSetInState">showSetInState</a><br>
+      If the attribute is set to 1, and a user issues a set command to a ZWave
+      device, then the state of the ZWave device will be changed to
+      set_&lt;cmd&gt; first, and after the ACK from the device is received, to
+      &lt;cmd&gt;. E.g.: Issuing the command on changes the state first to
+      set_on, and after the device ack is received, to on.  This is analoguos
+      to the CUL_HM module.  Default for this attribute is 0.
+      </li>
       
   </ul>
   <br>
diff --git a/FHEM/01_FHEMWEB.pm b/FHEM/01_FHEMWEB.pm
index aebabe505..94802853f 100644
--- a/FHEM/01_FHEMWEB.pm
+++ b/FHEM/01_FHEMWEB.pm
@@ -615,13 +615,17 @@ FW_initInform($$)
   $me->{inform}{since} = time()-5
       if(!defined($me->{inform}{since}) || $me->{inform}{since} !~ m/^\d+$/);
 
+  my $sinceTimestamp = FmtDateTime($me->{inform}{since});
   if($longpoll) {
-    my $sinceTimestamp = FmtDateTime($me->{inform}{since});
     TcpServer_WriteBlocking($me,
        "HTTP/1.1 200 OK\r\n".
        $FW_headerlines.
        "Content-Type: application/octet-stream; charset=$FW_encoding\r\n\r\n".
        FW_roomStatesForInform($me, $sinceTimestamp));
+
+  } else { # websocket
+     FW_addToWritebuffer($me,
+        FW_roomStatesForInform($me, $sinceTimestamp));
   }
 
   if($FW_id && $defs{$FW_wname}{asyncOutput}) {
diff --git a/FHEM/10_ZWave.pm b/FHEM/10_ZWave.pm
index b72c6078f..9c0aa966f 100644
--- a/FHEM/10_ZWave.pm
+++ b/FHEM/10_ZWave.pm
@@ -1095,7 +1095,9 @@ ZWave_Cmd($$@)
       ZWave_processSendStack($baseHash, "next");
     }
     $cmd .= " ".join(" ", @a) if(@a);
-    readingsSingleUpdate($hash, "state", $cmd, 1);
+    my $iohash = $hash->{IODev};
+    readingsSingleUpdate($hash, "state", 
+        $iohash->{showSetInState} ? "set_$cmd" : $cmd, 1);
 
   }
 
@@ -4693,11 +4695,19 @@ ZWave_Parse($$@)
         "$ioName transmit $lmsg for CB $callbackid, target ".
         ($hash ? $hash->{NAME} : "unknown");
     if($id eq "00") {
+      my $name="";
       if($hash) {
-        readingsSingleUpdate($hash, "transmit", $lmsg, 0);
         ZWave_processSendStack($hash, "ack", $callbackid);
+        readingsSingleUpdate($hash, "transmit", $lmsg, 0);
+        if($iodev->{showSetInState}) {
+          my $state = ReadingsVal($hash->{NAME}, "state", "");
+          if($state =~ m/^set_(.*)$/) {
+            readingsSingleUpdate($hash, "state", $1, 1);
+            $name = $hash->{NAME};
+          }
+        }
       }
-      return "";
+      return $name;
 
     } else { # Wait for the retry timer to remove this cmd from the stack.
       return "" if(!$hash);