diff --git a/.github/workflows/charts-auto-generate-docs.yaml b/.github/workflows/charts-auto-generate-docs.yaml
index cad68b0e..d79391af 100644
--- a/.github/workflows/charts-auto-generate-docs.yaml
+++ b/.github/workflows/charts-auto-generate-docs.yaml
@@ -116,7 +116,7 @@ jobs:
       id: filter
       with:
         list-files: shell
-        base: origin/master
+        base: master
         ref: 'refs/pull/${{ github.event.client_payload.pull_request.number }}/merge'
         filters: |
           addedOrModified: