diff --git a/fs/namespace.c b/fs/namespace.c
index e5feb4e48290..25e196c05126 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -6727,7 +6727,7 @@ static int mntns_install(struct nsset *nsset, struct ns_common *ns)
 	if (is_anon_ns(mnt_ns))
 		return -EINVAL;
 
-	if (fs->users != 1)
+	if (current->fs->users != 1)
 		return -EINVAL;
 
 	get_mnt_ns(mnt_ns);