diff --git a/roles/preseed/molecule/default/prepare.yml b/roles/preseed/molecule/default/prepare.yml
index 1fb02c5a75c1102e1477b28470ef180ef921a30d..a21b50d8757ea4235f69de635f118c5f2f1f7052 100644
--- a/roles/preseed/molecule/default/prepare.yml
+++ b/roles/preseed/molecule/default/prepare.yml
@@ -2,15 +2,15 @@
 
 - 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: parameters-mandatory
-  become: yes
+  become: true
   tasks:
 
     # @TODO: This is a hack because inventory_dir used for