diff --git a/.forgejo/workflows/webhook.yml b/.forgejo/workflows/webhook.yml
index 5c8e9eb..6f923dd 100644
--- a/.forgejo/workflows/webhook.yml
+++ b/.forgejo/workflows/webhook.yml
@@ -12,6 +12,6 @@ jobs:
           curl -D - --fail-with-body -X POST -H 'Content-Type: application/json' --data '{
             "commit": "${{github.sha}}",
             "ref": "${{github.ref}}",
-            "default-branch": "main"
+            "default_branch": "main"
           }' 'https://$token:${{secrets.quay_token}}@quay.io/webhooks/push/trigger/f21fe844-3a4b-43b0-a92f-7871d7d7ea68'
         shell: ash -eo pipefail {0}