diff --git a/t/t_file.c b/t/t_file.c
index 6745728..0134f6b 100644
--- a/t/t_file.c
+++ b/t/t_file.c
@@ -33,6 +33,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdarg.h>
+#include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>