diff --git a/.github/workflows/build_preview.yml b/.github/workflows/build_preview.yml
index 5e1f952e8..67c8fe817 100644
--- a/.github/workflows/build_preview.yml
+++ b/.github/workflows/build_preview.yml
@@ -60,7 +60,7 @@ jobs:
             var artifacts = await github.actions.listWorkflowRunArtifacts({
                owner: context.repo.owner,
                repo: context.repo.repo,
-               run_id: ${{github.event.workflow_run.id }},
+               run_id: context.payload.workflow_run.id,
             });
             var matchArtifact = artifacts.data.artifacts.filter((artifact) => {
               return artifact.name == "pr_site"