diff --git a/.github/workflows/codestyle.yml b/.github/workflows/codestyle.yml
index ad8d299e1689..b09097b37348 100644
--- a/.github/workflows/codestyle.yml
+++ b/.github/workflows/codestyle.yml
@@ -59,4 +59,9 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: run yamllint
-        run: yamllint --strict .github/workflows/*.yml
+        # Quoting to please all parsers is hard. This indirection helps.
+        env:
+          yamllint_config: '{extends: default, rules: {line-length: {max: 100}}}'
+        run: yamllint -f parsable
+          -d "$yamllint_config"
+          --strict .github/workflows/*.yml *.yml
diff --git a/west.yml b/west.yml
index 3e99e8df9675..3a339aac6841 100644
--- a/west.yml
+++ b/west.yml
@@ -1,3 +1,4 @@
+---
 # SOF west manifest
 manifest:
   version: "0.13"