diff --git a/linux/system/repo.sls b/linux/system/repo.sls
index 596abee4..f2f51764 100644
--- a/linux/system/repo.sls
+++ b/linux/system/repo.sls
@@ -216,7 +216,7 @@ default_repo_list:
     - replace: True
     {%- endif %}
     - defaults:
-        default_repos: {{ default_repos }}
+        default_repos: {{ default_repos|yaml }}
 
   {%- endif %}