diff --git a/tests/pillar/maas_region.sls b/tests/pillar/maas_region.sls
index bd5690b..df7d11d 100644
--- a/tests/pillar/maas_region.sls
+++ b/tests/pillar/maas_region.sls
@@ -6,6 +6,7 @@
     role: master
     enable_iframe: True
   region:
+    theme: theme
     bind:
       host: localhost
       port: 80