diff --git a/.github/workflows/check-cfg-grammar-changes.yml b/.github/workflows/check-cfg-grammar-changes.yml
new file mode 100644
index 00000000000..86fbc8e0d63
--- /dev/null
+++ b/.github/workflows/check-cfg-grammar-changes.yml
@@ -0,0 +1,16 @@
+name: Check config grammar changes (PR)
+
+permissions:
+  pull-requests: write
+
+on:
+  pull_request:
+
+jobs:
+  check-cfg-grammar-changes:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    steps:
+      - uses: alltilla/syslog-ng-cfg-diff-pr@v1
+        continue-on-error: true