diff --git a/.github/workflows/m1_ci.yml b/.github/workflows/m1_ci.yml
index 6d5be3be0..a0086e6c9 100644
--- a/.github/workflows/m1_ci.yml
+++ b/.github/workflows/m1_ci.yml
@@ -7,6 +7,7 @@ on:
 jobs:
   aarch64-macos:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    if: github.repository == 'hexops/mach-gpu-dawn'
     runs-on: [self-hosted, macOS, ARM64]
     defaults:
       run: