--- a/hedgewars/uVariables.pas	Tue Feb 20 15:37:36 2018 +0100
+++ b/hedgewars/uVariables.pas	Tue Feb 20 17:52:22 2018 +0100
@@ -166,6 +166,7 @@
     cScriptParam    : shortstring;
     cSeed           : shortstring;
     cVolumeDelta    : LongInt;
+    cMuteToggle     : boolean; // Mute toggle requested
     cHasFocus       : boolean;
     cInactDelay     : Longword;
 
@@ -2837,6 +2838,7 @@
     autoCameraOn    := true;
     cSeed           := '';
     cVolumeDelta    := 0;
+    cMuteToggle     := false;
     cHasFocus       := true;
     cInactDelay     := 100;
     ReadyTimeLeft   := 0;