From a0fb52881721e7802b59becbe31bdfc943206c32 Mon Sep 17 00:00:00 2001
From: Ben Knutson <benknutson@google.com>
Date: Wed, 18 Feb 2026 10:12:08 +0000
Subject: [PATCH] Refactor Github Action per b/485167538

---
 .github/workflows/changelog.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/changelog.yml b/.github/workflows/changelog.yml
index e4898b90c..65c9c2eec 100644
--- a/.github/workflows/changelog.yml
+++ b/.github/workflows/changelog.yml
@@ -24,7 +24,7 @@ jobs:
           # automatically (see https://github.com/webcomponents/polyfills). To
           # diff with the base branch, we need to fetch that too (and we only
           # need its latest commit).
-          git fetch origin ${{ github.base_ref }} --depth=1
+          git fetch origin ${GITHUB_BASE_REF} --depth=1
           if [[ $(git diff --name-only FETCH_HEAD | grep CHANGELOG) ]]
           then
             echo "A CHANGELOG was modified. Looks good!"