diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 2234c73fc57..d929a822a74 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -524,7 +524,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
 	 * Page cache is indexed by long.
 	 * I would use MAX_LFS_FILESIZE, but it's only half as big
 	 */
-	sb->s_maxbytes = min(((u64) PAGE_CACHE_SIZE << 32) - 1, sb->s_maxbytes);
+	sb->s_maxbytes = min(((u64) PAGE_CACHE_SIZE << 32) - 1, (u64)sb->s_maxbytes);
 #endif
 	sb->s_time_gran = 1;
 	return 0;