diff --git a/hw/xquartz/darwinEvents.c b/hw/xquartz/darwinEvents.c
index 410acdd76..78708d2b2 100644
--- a/hw/xquartz/darwinEvents.c
+++ b/hw/xquartz/darwinEvents.c
@@ -30,6 +30,10 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from The Open Group.
  */
 
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
 #define NEED_EVENTS
 #include   <X11/X.h>
 #include   <X11/Xmd.h>