diff --git a/.github/workflows/codex-review.yml b/.github/workflows/codex-review.yml
index 998b7471..c06a9690 100644
--- a/.github/workflows/codex-review.yml
+++ b/.github/workflows/codex-review.yml
@@ -14,7 +14,7 @@ on:
 
 jobs:
   codex-review:
-    if: github.event.pull_request.draft == false || contains(github.event.pull_request.labels.*.name, 'codex')
+    if: github.event.pull_request.draft == false || (github.event.action == 'labeled' && contains(github.event.pull_request.labels.*.name, 'codex'))
     runs-on: ubuntu-latest
     permissions:
       contents: read