diff --git a/tasks/configure.yml b/tasks/configure.yml
index bc0a49a27cf3d6ee970ea18b876c25b4d354ea82..61a714ff99584380d3af3291edeeefdfc6ab858f 100644
--- a/tasks/configure.yml
+++ b/tasks/configure.yml
@@ -1,13 +1,13 @@
 ---
 - name: Collect all extern certpaths
   ansible.builtin.set_fact:
-    haproxy_wanted_certpaths: "{{ haproxy_wanted_certs }} + {{ (item.ssl | default([])).cert | default([]) }}"
+    haproxy_wanted_certpaths: "{{ haproxy_wanted_certs + (item.ssl | default([])).cert | default([]) }}"
   loop: "{{ haproxy_frontends }}"
   when: haproxy_frontends is defined
 
 - name: Collect all LE certs
   ansible.builtin.set_fact:
-    haproxy_wanted_acme_domains: "{{ haproxy_wanted_acme_domains }} + {{ (item.ssl | default([])).acme_domains | default([]) }}"
+    haproxy_wanted_acme_domains: "{{ haproxy_wanted_acme_domains + (item.ssl | default([])).acme_domains | default([]) }}"
   loop: "{{ haproxy_frontends }}"
   when: haproxy_frontends is defined