diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 3a2005a1e673..8caa55b81674 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -1295,7 +1295,7 @@ xfs_rtallocate(
 	 * For an allocation to an empty file at offset 0, pick an extent that
 	 * will space things out in the rt area.
 	 */
-	if (bno_hint)
+	if (bno_hint != NULLFSBLOCK)
 		start = xfs_rtb_to_rtx(args.mp, bno_hint);
 	else if (initial_user_data)
 		start = xfs_rtpick_extent(args.mp, tp, maxlen);