diff --git a/ansible/roles/ax25/tasks/main.yml b/ansible/roles/ax25/tasks/main.yml
index 730907f..91cffb9 100644
--- a/ansible/roles/ax25/tasks/main.yml
+++ b/ansible/roles/ax25/tasks/main.yml
@@ -36,7 +36,7 @@
     index_var: index
   ansible.builtin.template:
     src: ax.network.j2
-    dest: "/etc/systemd/network/{{ 'ax' + index }}.network"
+    dest: "/etc/systemd/network/{{ 'ax' + (index | string) }}.network"
     owner: root
     group: root
     mode: "0644"