diff --git a/.github/workflows/smoke.yaml b/.github/workflows/smoke.yaml
index eee64c1349..51bea820d8 100644
--- a/.github/workflows/smoke.yaml
+++ b/.github/workflows/smoke.yaml
@@ -1,8 +1,6 @@
 name: smoke
 
 on:
-  push:
-    branches: [ main ]
   pull_request:
 
 jobs:
@@ -21,7 +19,11 @@ jobs:
       - run: tools/install-hugo.sh
         shell: bash
       - name: Make site
+        env:
+          BASE_REPO: ${{ github.repository }}
+          BRANCH: ${{ github.head_ref }}
+          REPO: ${{ github.event.pull_request.head.repo.full_name }}
         run: |
-          mkdir tmp && cd tmp
-          ../tools/make-site.sh
+          mkdir tmp && cd tmp && set -x
+          ../tools/make-site.sh -p $REPO -v $BRANCH
         shell: bash