diff --git a/.github/workflows/make_prs_for_other_repos.yaml b/.github/workflows/make_prs_for_other_repos.yaml
index 0ca70849c..db3fd2730 100644
--- a/.github/workflows/make_prs_for_other_repos.yaml
+++ b/.github/workflows/make_prs_for_other_repos.yaml
@@ -1,9 +1,6 @@
 name: "Make PRs for Nextstrain projects which depend on Auspice"
 on:
-  # pull_request:
-  push:
-    branches: 
-      - "not-a-valid-branch"
+  pull_request:
 jobs:
   make-pr-on-nextstrain-dot-org: # <job_id>
     runs-on: ubuntu-latest