diff --git a/roles/dokuwiki/defaults/main.yml b/roles/dokuwiki/defaults/main.yml
index 3406115..8358114 100644
--- a/roles/dokuwiki/defaults/main.yml
+++ b/roles/dokuwiki/defaults/main.yml
@@ -1,4 +1,5 @@
 ---
 dokuwiki__installpath: "/var/www/dokuwiki"
+dokuwiki__php_version: "{{ dokuwiki__php_versions[ansible_distribution + '-' + ansible_distribution_major_version] }}"
 dokuwiki__php_user: "www-data"
 dokuwiki__nginx_user: "nginx"
diff --git a/roles/dokuwiki/tasks/main.yml b/roles/dokuwiki/tasks/main.yml
index cd1bfd0..664f159 100644
--- a/roles/dokuwiki/tasks/main.yml
+++ b/roles/dokuwiki/tasks/main.yml
@@ -1,13 +1,3 @@
-- name: set php version to target
-  ansible.builtin.set_fact:
-    dokuwiki__php_version: '7.4'
-  when: dokuwiki__php_version is undefined and ansible_facts['distribution'] == "Debian" and ansible_facts['distribution_major_version'] == "11"
-
-- name: set php version to target
-  ansible.builtin.set_fact:
-    dokuwiki__php_version: '8.2'
-  when: dokuwiki__php_version is undefined and ansible_facts['distribution'] == "Debian" and ansible_facts['distribution_major_version'] == "12"
-
 - name: Install php-fpm
   become: true
   ansible.builtin.apt:
diff --git a/roles/dokuwiki/vars/main.yml b/roles/dokuwiki/vars/main.yml
new file mode 100644
index 0000000..df94cfd
--- /dev/null
+++ b/roles/dokuwiki/vars/main.yml
@@ -0,0 +1,4 @@
+---
+dokuwiki__php_versions:
+  Debian-11: "7.4"
+  Debian-12: "8.2"