diff --git a/fs/xfs/scrub/inode_repair.c b/fs/xfs/scrub/inode_repair.c
index 3ec41c198351..b88427a4460c 100644
--- a/fs/xfs/scrub/inode_repair.c
+++ b/fs/xfs/scrub/inode_repair.c
@@ -1960,7 +1960,7 @@ xrep_inode_cowextsize(
 	/* Fix misaligned CoW extent size hints on a directory. */
 	if ((sc->ip->i_diflags & XFS_DIFLAG_RTINHERIT) &&
 	    (sc->ip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE) &&
-	    sc->ip->i_extsize % sc->mp->m_sb.sb_rextsize > 0) {
+	    xfs_extlen_to_rtxmod(sc->mp, sc->ip->i_cowextsize) > 0) {
 		sc->ip->i_cowextsize = 0;
 		sc->ip->i_diflags2 &= ~XFS_DIFLAG2_COWEXTSIZE;
 	}