diff --git a/gtk2_ardour/icons/master_mute.png b/gtk2_ardour/icons/master_mute.png
index 2bab00aae2..bbaae71ff2 100644
Binary files a/gtk2_ardour/icons/master_mute.png and b/gtk2_ardour/icons/master_mute.png differ
diff --git a/gtk2_ardour/icons/master_mute_active.png b/gtk2_ardour/icons/master_mute_active.png
index 5516036642..68e898c949 100644
Binary files a/gtk2_ardour/icons/master_mute_active.png and b/gtk2_ardour/icons/master_mute_active.png differ
diff --git a/gtk2_ardour/ui/editor_window.xml b/gtk2_ardour/ui/editor_window.xml
index e97bd60c24..0ad504fb96 100644
--- a/gtk2_ardour/ui/editor_window.xml
+++ b/gtk2_ardour/ui/editor_window.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
                              
 <Window timebarheight="17"
-        rulerheight="26"
+        rulerheight="38"
         loopbarheight="25"
         skipbarheight="17"
         markerheight="18" >
diff --git a/gtk2_ardour/ui/master_ui.xml b/gtk2_ardour/ui/master_ui.xml
index d0b3afd129..6745bead46 100644
--- a/gtk2_ardour/ui/master_ui.xml
+++ b/gtk2_ardour/ui/master_ui.xml
@@ -8,7 +8,7 @@
     <EventBox height="1"
               bgnormal="#494949"
               bgactive="#494949"/>
-    <HBox height="17">
+    <HBox height="29">
       <HBox id="master_bus_hbox"
             noshowall="true">
           <EventBox width="1"
@@ -39,7 +39,7 @@
             noshowall="true"/>
       <iconbutton id="master_mute_button"
                   width="83"
-                  height="17"
+                  height="29"
                   normalicon="master_mute"
                   activeicon="master_mute_active"
                   _prelighticon="master_mute_prelight"