diff --git a/ql/lib/ext/workflow-models/workflow-models.yml b/ql/lib/ext/workflow-models/workflow-models.yml
index ca4a46b25d0..2293080d93e 100644
--- a/ql/lib/ext/workflow-models/workflow-models.yml
+++ b/ql/lib/ext/workflow-models/workflow-models.yml
@@ -2,9 +2,8 @@ extensions:
   - addsTo:
       pack: githubsecuritylab/actions-all
       extensible: repositoryDataModel
-    data: [
+    data:
       - ["public", "main"]
-    ]
   - addsTo:
       pack: githubsecuritylab/actions-all
       extensible: workflowDataModel