diff --git a/fs/namespace.c b/fs/namespace.c
index e06e36777b90..c68d9fc912e7 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1485,7 +1485,7 @@ void __detach_mounts(struct dentry *dentry)
 	lock_mount_hash();
 	while (!hlist_empty(&mp->m_list)) {
 		mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list);
-		umount_tree(mnt, UMOUNT_PROPAGATE);
+		umount_tree(mnt, 0);
 	}
 	unlock_mount_hash();
 	put_mountpoint(mp);