diff --git a/.github/workflows/charts-changelog.yaml b/.github/workflows/charts-changelog.yaml
index 67b320c9..9d580b0c 100644
--- a/.github/workflows/charts-changelog.yaml
+++ b/.github/workflows/charts-changelog.yaml
@@ -56,8 +56,9 @@ jobs:
 
       - name: Annotate Charts.yaml for Renovate PR's
         if: inputs.isRenovatePR == 'true'
+        env:
+          DEFAULT_BRANCH: "${{ github.event.repository.default_branch }}"
         run: |
-          export DEFAULT_BRANCH=$(git remote show origin | awk '/HEAD branch/ {print $NF}')
           CHARTS=(${{ inputs.modifiedCharts }})
           for i in "${CHARTS[@]}"
           do