diff --git a/ansible/roles/mariadb/tasks/bootstrap.yml b/ansible/roles/mariadb/tasks/bootstrap.yml
index d2db07fce29a4d1900977308ac3f0807081a423c..249af27e03074b7fd7e0cb920d36525d5efd6855 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 eb24ab5c7a7bfaf98f711ffe96f0b76120874b14..9be12d61a39828d2d18f663e6634cebdbd42b7e5 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