diff --git a/.github/workflows/hitl_trigger.yml b/.github/workflows/hitl_trigger.yml
index a8494b3..b108ba6 100644
--- a/.github/workflows/hitl_trigger.yml
+++ b/.github/workflows/hitl_trigger.yml
@@ -21,7 +21,8 @@ jobs:
           name: HITL Run Status
           status: in_progress
           details_url: "https://github.com/${{github.repository}}/actions/runs/${{github.run_id}}"
-          output: { "summary": "Starting..." }
+          output: |
+            {"summary": "Starting..."}
 
       - uses: peter-evans/repository-dispatch@v1
         with: