diff --git a/.github/workflows/base.yml b/.github/workflows/base.yml
index f6e72c0..79a08c6 100644
--- a/.github/workflows/base.yml
+++ b/.github/workflows/base.yml
@@ -71,7 +71,7 @@ jobs:
       KOSLI_HOST: ${{ inputs.kosli_host }}
       KOSLI_API_TOKEN: ${{ secrets.kosli_api_token }}
       KOSLI_FLOW: ${{ inputs.kosli_flow }}
-      KOSLI_TRAIL: ${{ github.event.pull_request.head.sha || github.sha }}
+      KOSLI_TRAIL: ${{ inputs.ref || github.event.pull_request.head.sha || github.sha }}
     permissions:
       id-token: write
       contents: write