diff --git a/tests/pillar/control_cluster.sls b/tests/pillar/control_cluster.sls
index e1e6dc5..d17c6eb 100644
--- a/tests/pillar/control_cluster.sls
+++ b/tests/pillar/control_cluster.sls
@@ -2,6 +2,7 @@
   controller:
     enabled: true
     version: liberty
+    image_conversion_dir: /var/tmp/cinder/conversion
     osapi:
       host: 127.0.0.1
     database: