diff --git a/hw/xfree86/drivers/modesetting/dumb_bo.c b/hw/xfree86/drivers/modesetting/dumb_bo.c
index 58d420e07..cf13f0a9c 100644
--- a/hw/xfree86/drivers/modesetting/dumb_bo.c
+++ b/hw/xfree86/drivers/modesetting/dumb_bo.c
@@ -25,6 +25,10 @@
  *
  */
 
+#ifdef HAVE_DIX_CONFIG_H
+#include "dix-config.h"
+#endif
+
 #include "dumb_bo.h"
 
 #include <errno.h>