diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 981d9eef2de..8965d80dea6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -323,7 +323,7 @@ jobs:
   rust_test_miri:
     name: Rust test miri
     needs: [get-runner-labels, rust_changes]
-    if: ${{ needs.rust_changes.outputs.changed == 'true' }}
+    if: needs.rust_changes.outputs.changed == 'true' && github.ref_name == 'main' && github.repository_owner == 'web-infra-dev'
     runs-on: ${{ fromJSON(needs.get-runner-labels.outputs.LINUX_RUNNER_LABELS) }}
     steps:
       - uses: actions/checkout@v4