diff --git a/group_vars/all/ssh.yml b/group_vars/all/ssh.yml
new file mode 100644
index 00000000..3236d7c6
--- /dev/null
+++ b/group_vars/all/ssh.yml
@@ -0,0 +1,5 @@
+---
+
+root_ssh_keys:
+  - sven.pub
+  - florian.pub
diff --git a/roles/install_arch/tasks/main.yml b/roles/install_arch/tasks/main.yml
index d95a4728..e3fd3ef8 100644
--- a/roles/install_arch/tasks/main.yml
+++ b/roles/install_arch/tasks/main.yml
@@ -110,9 +110,7 @@
 
 - name: add authorized key for root
   authorized_key: user=root key="{{ item }}" path=/mnt/root/.ssh/authorized_keys
-  with_file:
-    - sven.pub
-    - florian.pub
+  with_file: "{{ root_ssh_keys }}"
 
 - name: configure sshd
   template: src=sshd_config.j2 dest=/mnt/etc/ssh/sshd_config owner=root group=root mode=0644