diff --git a/tasks/main.yml b/tasks/main.yml
index a66256c..a03f122 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -1,6 +1,6 @@
 ---
 
 - include_tasks: act.yaml
-  with_items: {{ git_checkouts }}
+  with_items: '{{ git_checkouts }}'
 
 ...