diff --git a/defaults/main.yml b/defaults/main.yml
index 325d418..665e2bd 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -17,7 +17,7 @@ dirt_apt_dependencies:
 
 dirt_version: "add-logging-and-enable-cors"
 dirt_cors_whitelist:
-  ["http://localhost:3000", "https://ona.io", "https://preview.ona.io", "https://stage.ona.io"]
+  "http://localhost:3000, https://ona.io, https://preview.ona.io, https://stage.ona.io"
 dirt_git_url: "https://github.com/onaio/dirt-simple-postgis-http-api.git"
 dirt_onadata_forms_endpoint: "https://stage-api.ona.io/api/v1/forms/"
 dirt_table_name: "logger_instance"