diff -up kbd-1.15.5/data/keymaps/i386/qwertz/sg.map.orig kbd-1.15.5/data/keymaps/i386/qwertz/sg.map
--- kbd-1.15.5/data/keymaps/i386/qwertz/sg.map.orig	2013-02-21 15:54:39.362799094 +0100
+++ kbd-1.15.5/data/keymaps/i386/qwertz/sg.map	2013-02-21 15:54:46.448838554 +0100
@@ -1,7 +1,7 @@
 keymaps 0-2,4-6,8,12
 include "qwertz-layout"
 include "linux-with-alt-and-altgr.inc"
-	plain keycode  83 = KP_Comma
+	plain keycode  83 = KP_Period
 strings as usual
 
 keycode   1 = Escape           Escape