diff --git a/tasks/main.yml b/tasks/main.yml
index dbcb5be..87995ac 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -41,7 +41,7 @@
 
 - name: Installation du fichier de verroux
   copy:
-    src: {{ item }}
+    src: "{{ item }}"
     dest: /var/www/.well-known/acme-challenge/{{ item }}
     owner: root
     group: root