diff --git a/data/images/topbuttons/audio_mute.png b/data/images/topbuttons/audio_mute.png
index 998f051d..a7dda9a6 100644
Binary files a/data/images/topbuttons/audio_mute.png and b/data/images/topbuttons/audio_mute.png differ
diff --git a/modules/client_options/options.lua b/modules/client_options/options.lua
index cc33edba..4b0b4d3d 100644
--- a/modules/client_options/options.lua
+++ b/modules/client_options/options.lua
@@ -131,6 +131,8 @@ function terminate()
   consolePanel = nil
   graphicsPanel = nil
   audioPanel = nil
+  audioButton:destroy()
+  audioButton = nil
 end
 
 function toggle()
diff --git a/modules/game_minimap/minimap.lua b/modules/game_minimap/minimap.lua
index e7a309f7..d87d7686 100644
--- a/modules/game_minimap/minimap.lua
+++ b/modules/game_minimap/minimap.lua
@@ -436,9 +436,9 @@ function onMinimapMouseWheel(self, mousePos, direction)
   local keyboardModifiers = g_keyboard.getModifiers()
 
   if direction == MouseWheelUp and keyboardModifiers == KeyboardNoModifier then
-    miniMapZoomOut()
-  elseif direction == MouseWheelDown and keyboardModifiers == KeyboardNoModifier then
     miniMapZoomIn()
+  elseif direction == MouseWheelDown and keyboardModifiers == KeyboardNoModifier then
+    miniMapZoomOut()
   elseif direction == MouseWheelDown and keyboardModifiers == KeyboardCtrlModifier then
     minimapFloorUp(1)
   elseif direction == MouseWheelUp and keyboardModifiers == KeyboardCtrlModifier then