diff --git a/include/linux/aio.h b/include/linux/aio.h
index b903fc02bdb7dbc5f95a041dbba4dab24bb67e7c..d10e608f232d04e053aa3c2bd8b68a810df6aad8 100644
--- a/include/linux/aio.h
+++ b/include/linux/aio.h
@@ -86,7 +86,7 @@ struct kioctx;
  */
 struct kiocb {
 	struct list_head	ki_run_list;
-	long			ki_flags;
+	unsigned long		ki_flags;
 	int			ki_users;
 	unsigned		ki_key;		/* id of this request */