diff --git a/fs/namespace.c b/fs/namespace.c
index e5e1c7d..aea4b768 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2483,6 +2483,8 @@
 		__mnt_make_longterm(mnt);
 		new_ns->root = mnt;
 		list_add(&new_ns->list, &new_ns->root->mnt_list);
+	} else {
+		mntput(mnt);
 	}
 	return new_ns;
 }