diff --git a/.github/workflows/dotnet-format.yml b/.github/workflows/dotnet-format.yml
index 70fcfacd..b41cdeef 100644
--- a/.github/workflows/dotnet-format.yml
+++ b/.github/workflows/dotnet-format.yml
@@ -3,8 +3,9 @@ name: .NET Format
 on:
   workflow_dispatch:
   pull_request:
-    paths-ignore:
-      - '**/*.md'
+    paths:
+      - '**.cs'
+      - '**.yml'  # assume ci/cd pipeline files
 
 jobs:
   test:
@@ -37,7 +38,7 @@ jobs:
 
     - uses: actions/checkout@v4
     - with:
-        ref: ${{ github.head_ref }}
+      ref: ${{ github.head_ref }}
     - run: |
         git config user.name "github-actions[bot]"
         git config user.email "170472707+github-actions[bot]@users.noreply.github.com"