diff --git a/gio/tests/file.c b/gio/tests/file.c
index 9a15f9726..9d98ff205 100644
--- a/gio/tests/file.c
+++ b/gio/tests/file.c
@@ -1,3 +1,5 @@
+#include "config.h"
+
 #include <locale.h>
 #include <string.h>
 #include <stdio.h>