diff --git a/tests/pillar/control_cluster.sls b/tests/pillar/control_cluster.sls
index 16a9cc2..0bbfb06 100644
--- a/tests/pillar/control_cluster.sls
+++ b/tests/pillar/control_cluster.sls
@@ -14,6 +14,10 @@
     workers: 8
     instance_build_timeout: 600
     secure_proxy_ssl_header: HTTP_X_FORWARDED_PROTO
+    use_cow_images: False
+    force_raw_images: True
+    snapshot_image_format: qcow2
+    images_type: default
     bind:
       private_address: 127.0.0.1
       public_address: 127.0.0.1