diff --git a/fhem/CHANGED b/fhem/CHANGED
index ae842a567..7df229d34 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -1,6 +1,7 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
 - SVN
+  - feature: YAMAHA_AVR: new argument "toggle" for mute command
   - feature: FB_CALLMONITOR: replace & to & at reverse search
   - feature: new module 33_readingsProxy to make (a subset of) a reading
              from one device available as a new device. can be used to
diff --git a/fhem/FHEM/71_YAMAHA_AVR.pm b/fhem/FHEM/71_YAMAHA_AVR.pm
index a367d5216..13504e281 100755
--- a/fhem/FHEM/71_YAMAHA_AVR.pm
+++ b/fhem/FHEM/71_YAMAHA_AVR.pm
@@ -226,7 +226,7 @@ YAMAHA_AVR_Set($@)
     return "No Argument given" if(!defined($a[1]));     
     
     my $what = $a[1];
-    my $usage = "Unknown argument $what, choose one of on:noArg off:noArg volumeStraight:slider,-80,1,16 volume:slider,0,1,100 volumeUp volumeDown input:".$inputs_comma." mute:on,off remoteControl:setup,up,down,left,right,return,option,display,tunerPresetUp,tunerPresetDown,enter ".(defined($hash->{helper}{SCENES})?"scene:".$scenes_comma." ":"")."statusRequest:noArg";
+    my $usage = "Unknown argument $what, choose one of on:noArg off:noArg volumeStraight:slider,-80,1,16 volume:slider,0,1,100 volumeUp volumeDown input:".$inputs_comma." mute:on,off,toggle remoteControl:setup,up,down,left,right,return,option,display,tunerPresetUp,tunerPresetDown,enter ".(defined($hash->{helper}{SCENES})?"scene:".$scenes_comma." ":"")."statusRequest:noArg";
 
     # Depending on the status response, use the short or long Volume command
 
@@ -365,6 +365,17 @@ YAMAHA_AVR_Set($@)
 					{
 					    $result = YAMAHA_AVR_SendCommand($hash, "<YAMAHA_AV cmd=\"PUT\"><$zone><$volume_cmd><Mute>Off</Mute></$volume_cmd></$zone></YAMAHA_AV>"); 
 					}
+					elsif($a[2] eq "toggle")
+					{
+					    if(ReadingsVal($hash->{NAME}, "mute", "off") eq "on")
+					    {
+					    	$result = YAMAHA_AVR_SendCommand($hash, "<YAMAHA_AV cmd=\"PUT\"><$zone><$volume_cmd><Mute>Off</Mute></$volume_cmd></$zone></YAMAHA_AV>");
+					    }
+					    else 
+					    {
+						    $result = YAMAHA_AVR_SendCommand($hash, "<YAMAHA_AV cmd=\"PUT\"><$zone><$volume_cmd><Mute>On</Mute></$volume_cmd></$zone></YAMAHA_AV>");
+					    }
+					}
 					else
 					{
 					    return $usage;
@@ -1006,7 +1017,7 @@ sub YAMAHA_AVR_getInputs($)
 <li><b>volumeStraight</b> -80...15 &nbsp;&nbsp;-&nbsp;&nbsp; set the volume level in decibel</li>
 <li><b>volumeUp</b> [0-100] &nbsp;&nbsp;-&nbsp;&nbsp; increases the volume level by 5% or the value of attribute volumeSteps (optional the increasing level can be given as argument, which will be used instead)</li>
 <li><b>volumeDown</b> [0-100] &nbsp;&nbsp;-&nbsp;&nbsp; decreases the volume level by 5% or the value of attribute volumeSteps (optional the decreasing level can be given as argument, which will be used instead)</li>
-<li><b>mute</b> on|off &nbsp;&nbsp;-&nbsp;&nbsp; activates volume mute</li>
+<li><b>mute</b> on|off|toggle &nbsp;&nbsp;-&nbsp;&nbsp; activates volume mute</li>
 <li><b>statusRequest</b> &nbsp;&nbsp;-&nbsp;&nbsp; requests the current status of the device</li>
 <li><b>remoteControl</b> up,down,... &nbsp;&nbsp;-&nbsp;&nbsp; sends remote control commands as listed below</li>
 </ul>
@@ -1203,7 +1214,7 @@ output        # only available in zones other than mainzone</code></ul><br><br>
 <li><b>volumeStraight</b> -87...15 &nbsp;&nbsp;-&nbsp;&nbsp; Setzt die Lautst&auml;rke in Dezibel (-80.5 bis 15.5 dB) so wie sie am Receiver auch verwendet wird.</li>
 <li><b>volumeUp</b> [0...100] &nbsp;&nbsp;-&nbsp;&nbsp; Erh&ouml;ht die Lautst&auml;rke um 5% oder entsprechend dem Attribut volumeSteps (optional kann der Wert auch als Argument angehangen werden, dieser hat dann Vorang) </li>
 <li><b>volumeDown</b> [0...100] &nbsp;&nbsp;-&nbsp;&nbsp; Veringert die Lautst&auml;rke um 5% oder entsprechend dem Attribut volumeSteps (optional kann der Wert auch als Argument angehangen werden, dieser hat dann Vorang) </li>
-<li><b>mute</b> on|off &nbsp;&nbsp;-&nbsp;&nbsp; Schaltet den Receiver stumm</li>
+<li><b>mute</b> on|off|toggle &nbsp;&nbsp;-&nbsp;&nbsp; Schaltet den Receiver stumm</li>
 <li><b>statusRequest</b> &nbsp;&nbsp;-&nbsp;&nbsp; Fragt den aktuell Status des Receivers ab</li>
 <li><b>remoteControl</b> up,down,... &nbsp;&nbsp;-&nbsp;&nbsp; Sendet Fernbedienungsbefehle wie im n&auml;chsten Abschnitt beschrieben</li>
 </ul>