diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c
index 3a4853693d8b..e710dd196e2f 100644
--- a/fs/exfat/dir.c
+++ b/fs/exfat/dir.c
@@ -249,7 +249,7 @@ static int exfat_iterate(struct file *file, struct dir_context *ctx)
 		 */
 		if (err == -EIO) {
 			cpos += 1 << (sb->s_blocksize_bits);
-			cpos &= ~(sb->s_blocksize - 1);
+			cpos &= ~(loff_t)(sb->s_blocksize - 1);
 		}
 
 		err = -EIO;