diff --git a/playbooks/zuul-tarball/pre.yaml b/playbooks/zuul-tarball/pre.yaml
index 1cbccc3256..7e8a28dc12 100644
--- a/playbooks/zuul-tarball/pre.yaml
+++ b/playbooks/zuul-tarball/pre.yaml
@@ -2,5 +2,6 @@
   roles:
     - bindep
     - install-nodejs
-    - install-yarn
+    - role: install-yarn
+      yarn_lock_file_path: "{{ zuul.project.src_dir }}/web/yarn.lock"
     - revoke-sudo