diff --git a/.zuul.yaml b/.zuul.yaml
index 8717af98..79eb15f8 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -18,6 +18,7 @@
     description: |
       TripleO standalone Job running Horizon specific Tempest tests.
     vars:
+      build_container_images: true
       featureset_override:
         run_tempest: false
         tempest_services: