--- gtk+2.0-2.12.0/gtk/gtklabel.c.old	2007-11-16 10:26:28.000000000 +0100
+++ gtk+2.0-2.12.0/gtk/gtklabel.c	2007-11-16 10:49:08.000000000 +0100
@@ -2630,7 +2630,7 @@
 	    *pattern_dest++ = ' ';
 	  else
 	    {
-	      *pattern_dest++ = '_';
+	      *pattern_dest++ = ' ';
 	      if (accel_key == GDK_VoidSymbol)
 		accel_key = gdk_keyval_to_lower (gdk_unicode_to_keyval (c));
 	    }