diff --git a/.github/workflows/check-pr-label.yml b/.github/workflows/check-pr-label.yml
index c2a710829..7efda75b7 100644
--- a/.github/workflows/check-pr-label.yml
+++ b/.github/workflows/check-pr-label.yml
@@ -1,6 +1,6 @@
 name: 
 
-on: [pull-request]
+on: [pull_request]
 
 jobs:
   check-for-label:
@@ -15,4 +15,4 @@ jobs:
         contains(github.event.pull_request.labels.*.name, 'Chore') == false
       run: |
         echo "This PR can't be merged, because it does not have a release category label. See release_notes.md"
-        exit 1
\ No newline at end of file
+        exit 1