diff --git a/defaults/main.yml b/defaults/main.yml
index 35ab668..b20a291 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,7 +1,7 @@
 ---
 # defaults file for podman
 
-podman_containers: {}
+podman_containers: []
 # Exemple:
 #  - image: docker.io/wallabag/wallabag:latest
 #    name: wallbag