diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c
index af2adfdd5d6c..cbafa036197b 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c
@@ -1125,6 +1125,7 @@ domount:
 		 */
 		ASSERT(VTOZ(*vpp)->z_zfsvfs != zfsvfs);
 		VTOZ(*vpp)->z_zfsvfs->z_parent = zfsvfs;
+		(*vpp)->v_flag &= ~VROOT;
 	}
 	ZFS_EXIT(zfsvfs);