diff --git a/test/hashtabletest.c b/test/hashtabletest.c
index 64c7091fc..6af14a8e6 100644
--- a/test/hashtabletest.c
+++ b/test/hashtabletest.c
@@ -1,3 +1,7 @@
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
 #include <misc.h>
 #include <stdlib.h>
 #include <stdio.h>