diff --git a/fs/file.c b/fs/file.c
index 0c25b980affe..97c6f0df39da 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -75,7 +75,7 @@ static void copy_fd_bitmaps(struct fdtable *nfdt, struct fdtable *ofdt,
  */
 static void copy_fdtable(struct fdtable *nfdt, struct fdtable *ofdt)
 {
-	unsigned int cpy, set;
+	size_t cpy, set;
 
 	BUG_ON(nfdt->max_fds < ofdt->max_fds);