diff --git a/roles/database/molecule/default/prepare.yml b/roles/database/molecule/default/prepare.yml
index b145f2960193cd8dd188b19042b3bb11de67d069..55f8d9f94a6942db2f8bb2587db498d8fd20c6e7 100644
--- a/roles/database/molecule/default/prepare.yml
+++ b/roles/database/molecule/default/prepare.yml
@@ -2,24 +2,24 @@
 
 - name: Prepare
   hosts: all
-  gather_facts: False
+  gather_facts: false
   tasks:
     - name: Install python for Ansible
       raw: test -e /usr/bin/python || (apt -y update && apt install -y python-minimal)
-      become: True
-      changed_when: False
+      become: true
+      changed_when: false
 
 - hosts: all
-  become: yes
+  become: true
   tasks:
 
     - name: Update all caches to avoid errors due to missing remote archives
       apt:
-        update_cache: yes
-      changed_when: False
+        update_cache: true
+      changed_when: false
 
-- hosts: backup
-  become: yes
+- hosts: backup-server
+  become: true
   roles:
     - role: backup_server
       backup_host_ssh_private_keys: