diff --git a/ansible/roles/mariadb/tasks/bootstrap.yml b/ansible/roles/mariadb/tasks/bootstrap.yml
index d2db07fce2..249af27e03 100644
--- a/ansible/roles/mariadb/tasks/bootstrap.yml
+++ b/ansible/roles/mariadb/tasks/bootstrap.yml
@@ -1,5 +1,6 @@
 ---
-- set_fact:
+- name: Set a fact about the master host
+  set_fact:
     master_host: "{{ groups['mariadb'][0] }}"
 
 - include_tasks: lookup_cluster.yml
diff --git a/ansible/roles/mariadb/tasks/deploy-containers.yml b/ansible/roles/mariadb/tasks/deploy-containers.yml
index eb24ab5c7a..9be12d61a3 100644
--- a/ansible/roles/mariadb/tasks/deploy-containers.yml
+++ b/ansible/roles/mariadb/tasks/deploy-containers.yml
@@ -1,2 +1,6 @@
 ---
+- name: Set a fact about the master host
+  set_fact:
+    master_host: "{{ groups['mariadb'][0] }}"
+
 - import_tasks: check-containers.yml