--- a/configure.ac	2009-08-25 14:13:05.000000000 +0200
+++ a/configure.ac	2009-08-30 11:00:42.000000000 +0200
@@ -267,7 +267,7 @@ 
 dnl D-BUS stuff
 dnl ***********
 have_dbus=no
-AC_ARG_ENABLE([DBUS],
+AC_ARG_ENABLE([dbus],
         AS_HELP_STRING([--disable-dbus],[Disable D-BUS support (default: enabled)]),
         [])