diff --git a/.github/workflows/deploy-container-image.yaml b/.github/workflows/deploy-container-image.yaml
index 5bff2f9616..74f95a114b 100644
--- a/.github/workflows/deploy-container-image.yaml
+++ b/.github/workflows/deploy-container-image.yaml
@@ -50,7 +50,7 @@ jobs:
         if: github.event_name == 'pull_request_target'
         uses: thollander/actions-comment-pull-request@v3
         with:
-          comment_tag: container-image
+          comment-tag: container-image
           message: |
             Use `docker` or `podman` to test this pull request locally.
 
diff --git a/.github/workflows/deploy-test.yml b/.github/workflows/deploy-test.yml
index a9ba8fdd0c..f26b55d786 100644
--- a/.github/workflows/deploy-test.yml
+++ b/.github/workflows/deploy-test.yml
@@ -98,7 +98,7 @@ jobs:
       - name: add comment with deployment location
         uses: thollander/actions-comment-pull-request@v3
         with:
-          comment_tag: static-test-deployment
+          comment-tag: static-test-deployment
           message: >
             This pull request is deployed at
             [test.admin-interface.opencast.org/${{ steps.build-path.outputs.build }}