diff --git a/ChangeLog b/ChangeLog
index 8cca2d4b6..1ce2a1fd5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2005-12-07  Kevin E. Martin  <kem-at-freedesktop-dot-org>
+
+	* configure.ac:
+	* hw/xfree86/utils/xorgcfg/Makefile.am:
+	Change to use the app-defaults default dir configured in libXt.
+
 2005-12-06  Kevin E. Martin  <kem-at-freedesktop-dot-org>
 
 	* Xprint/doc/Makefile.am:
diff --git a/configure.ac b/configure.ac
index 9136f8b4a..7f381d93e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1290,6 +1290,9 @@ if test x$XORGCFG = xyes ; then
 		[CURSES=no]))
 	AC_SUBST(XORGCFG_DEP_CFLAGS)
 	AC_SUBST(XORGCFG_DEP_LIBS)
+
+	appdefaultdir=$(pkg-config --variable=appdefaultdir xt)
+	AC_SUBST(appdefaultdir)
 fi
 AM_CONDITIONAL(BUILD_XORGCFG, [test x$XORGCFG = xyes])
 AM_CONDITIONAL(USE_CURSES, [test x$CURSES = xyes])
diff --git a/hw/xfree86/utils/xorgcfg/Makefile.am b/hw/xfree86/utils/xorgcfg/Makefile.am
index 5f9d78f7e..2bc812a49 100644
--- a/hw/xfree86/utils/xorgcfg/Makefile.am
+++ b/hw/xfree86/utils/xorgcfg/Makefile.am
@@ -120,7 +120,7 @@ include $(top_srcdir)/cpprules.in
 
 # App default files  (*.ad)
 
-appdefaultdir = $(libdir)/X11/app-defaults
+appdefaultdir = @appdefaultdir@
 
 APPDEFAULTFILES = XOrgCfg