diff --git a/fs/xfs/scrub/rtsummary_repair.c b/fs/xfs/scrub/rtsummary_repair.c
index f065c3e51ce2..ed763290aec1 100644
--- a/fs/xfs/scrub/rtsummary_repair.c
+++ b/fs/xfs/scrub/rtsummary_repair.c
@@ -164,9 +164,10 @@ xrep_rtsummary(
 	/*
 	 * Now exchange the contents.  Nothing in repair uses the temporary
 	 * buffer, so we can reuse it for the tempfile exchrange information.
+	 * Use XFS_MAX_FILEOFF here so that we correct the rtsummary file size.
 	 */
 	error = xrep_tempexch_trans_reserve(sc, XFS_DATA_FORK, 0,
-			rts->rsumblocks, &rts->tempexch);
+			XFS_MAX_FILEOFF, &rts->tempexch);
 	if (error)
 		return error;