diff --git a/.github/workflows/manifest.yml b/.github/workflows/manifest.yml
index fdd6f75e38c..889fe073e06 100644
--- a/.github/workflows/manifest.yml
+++ b/.github/workflows/manifest.yml
@@ -53,3 +53,10 @@ jobs:
           verbosity-level: '1'
           labels: 'manifest'
           dnm-labels: 'DNM (manifest)'
+
+      - name: Check for label
+        if: ${{ contains(github.event.*.labels.*.name, 'DNM (manifest)') }}
+        run: |
+          echo "Pull request is labeled as 'DNM (manifest)'."
+          echo "This workflow fails so that the pull request cannot be merged."
+          exit 1
diff --git a/.github/workflows/pr_metadata_check.yml b/.github/workflows/pr_metadata_check.yml
index 3564c6352c8..199c76dde1b 100644
--- a/.github/workflows/pr_metadata_check.yml
+++ b/.github/workflows/pr_metadata_check.yml
@@ -20,7 +20,6 @@ jobs:
     steps:
       - name: Check for label
         if: ${{ contains(github.event.*.labels.*.name, 'DNM') ||
-                contains(github.event.*.labels.*.name, 'DNM (manifest)') ||
                 contains(github.event.*.labels.*.name, 'TSC') ||
                 contains(github.event.*.labels.*.name, 'Architecture Review') ||
                 contains(github.event.*.labels.*.name, 'dev-review') }}