diff --git a/hw/xfree86/utils/gtf/gtf.c b/hw/xfree86/utils/gtf/gtf.c
index fbc620709..109e2bbb3 100644
--- a/hw/xfree86/utils/gtf/gtf.c
+++ b/hw/xfree86/utils/gtf/gtf.c
@@ -105,6 +105,9 @@
  */
 /* $XFree86: xc/programs/Xserver/hw/xfree86/etc/gtf.c,v 1.2 2002/11/15 17:01:53tsi Exp $ */
 
+#ifdef HAVE_XORG_CONFIG_H
+# include <xorg-config.h>
+#endif
 
 #include <stdio.h>
 #include <stdlib.h>