diff --git a/group_vars/all/00_general.yml b/group_vars/all/00_general.yml
index c4d3c8b4..935305d1 100644
--- a/group_vars/all/00_general.yml
+++ b/group_vars/all/00_general.yml
@@ -13,7 +13,7 @@ primary_domain:         "{{primary_domain_sld}}.{{primary_domain_tld}}" # Primar
 # Administrator
 administrator_username: "administrator"                                 # Username of the administrator
 administrator_email:    "{{administrator_username}}@{{primary_domain}}" # Email of the administrator
-#user_administrator_initial_password: EXAMPLE_PASSWORD_123456                         # Example initialisation password needs to be set in inventory file
+#user_administrator_initial_password: EXAMPLE_PASSWORD_123456           # Example initialisation password needs to be set in inventory file
 
 # Test Email
 test_email:             "test@{{primary_domain}}"
diff --git a/playbook.constructor.yml b/playbook.constructor.yml
index 106072ea..57414995 100644
--- a/playbook.constructor.yml
+++ b/playbook.constructor.yml
@@ -10,7 +10,12 @@
       domains: "{{ defaults_domains | combine(domains | default({}, true), recursive=True) }}"
   - name: Merge redirect domain definitions
     set_fact:
-      redirect_domain_mappings: "{{ defaults_redirect_domain_mappings | combine(redirect_domain_mappings | default({}, true), recursive=True) }}"
+      merged_redirect_domain_mappings: >-
+        {{
+          (defaults_redirect_domain_mappings | items2dict(key_name='source', value_name='target'))
+          | combine((redirect_domain_mappings | items2dict(key_name='source', value_name='target')), recursive=True)
+          | dict2items
+        }}
   - name: Merge application definitions
     set_fact:
       applications: "{{ defaults_applications | combine(applications | default({}, true), recursive=True) }}"