diff --git a/vars/main.yml b/vars/main.yml
index b7d627e..28c28fb 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -4,7 +4,7 @@ playbook_version_path: 'role-firefox-installation_simple_chaos-bodensee_github.c
 
 firefox_params:
   files:
-    "{{ ansible_distribution }}.yml"
-    'fallback.yml'
+    - "{{ ansible_distribution }}.yml"
+    - 'fallback.yml'
   paths:
     - 'vars'