diff --git a/fs/namespace.c b/fs/namespace.c
index e576a5d6eff0..60b57572fc64 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -3806,7 +3806,7 @@ static int do_add_mount(struct mount *newmnt, const struct pinned_mountpoint *mp
 		if (!(mnt_flags & MNT_SHRINKABLE))
 			return -EINVAL;
 		/* ... and for those we'd better have mountpoint still alive */
-		if (!parent->mnt_ns)
+		if (!is_mounted(&parent->mnt))
 			return -EINVAL;
 	}