diff --git a/.github/workflows/check-changelog.yml b/.github/workflows/check-changelog.yml
index 82d4b63..93423f5 100644
--- a/.github/workflows/check-changelog.yml
+++ b/.github/workflows/check-changelog.yml
@@ -9,7 +9,8 @@ jobs:
 
             - name: Check for changelog entry
               run: |
-                  if ! git diff --name-only origin/main | grep -q 'CHANGELOG.md'; then
-                    echo "No changelog entry found. Please add an entry to CHANGELOG.md."
-                    exit 1
-                  fi
+                BASE_BRANCH=$(jq -r .base.ref < $GITHUB_EVENT_PATH)
+                if ! git diff --name-only $BASE_BRANCH | grep -q 'CHANGELOG.md'; then
+                  echo "No changelog entry found. Please add an entry to CHANGELOG.md."
+                  exit 1
+                fi