diff --git a/action.yml b/action.yml
index 9c0ab01..35c81bf 100644
--- a/action.yml
+++ b/action.yml
@@ -8,7 +8,7 @@ inputs:
   report_enabled:
     required: true
     description: 'Reports to GitHub pull request only if this input is "true".'
-    default: '${{ github.event.repository.owner.id }} == ${{ github.event.pull_request.head.user.id }}'
+    default: '${{ github.event.repository.owner.id == github.event.pull_request.head.user.id }}'
   owner:
     required: true
     description: 'The owner (organization) of the repository.'