diff --git a/defaults/main.yaml b/defaults/main.yaml
index 50346fd..d2dd99a 100644
--- a/defaults/main.yaml
+++ b/defaults/main.yaml
@@ -5,3 +5,5 @@ buildbot_db_user: buildbot
 buildbot_db_pass: "{{ ansible_local.buildbot.database_password }}"
 
 buildbot_server_name: "{{ inventory_hostname }}"
+
+buildbot_builders: {}