diff --git a/.github/workflows/selfdrive_tests.yaml b/.github/workflows/selfdrive_tests.yaml
index 67a76a4232..1c290732b8 100644
--- a/.github/workflows/selfdrive_tests.yaml
+++ b/.github/workflows/selfdrive_tests.yaml
@@ -85,7 +85,7 @@ jobs:
 
   build_mac:
     name: build macOS
-    runs-on: ${{ github.repository == 'commaai/openpilot' && 'namespace-profile-macos-8x14' || 'macos-latest' }}
+    runs-on: ${{ ((github.repository == 'commaai/openpilot') && ((github.event_name != 'pull_request') || (github.event.pull_request.head.repo.full_name == 'commaai/openpilot'))) && 'namespace-profile-macos-8x14' || 'macos-latest' }}
     steps:
     - uses: actions/checkout@v4
       with: