diff --git a/.github/workflows/auto-update-gemfiles.yml b/.github/workflows/auto-update-gemfiles.yml
index e87a94cde6d..2213695b41d 100644
--- a/.github/workflows/auto-update-gemfiles.yml
+++ b/.github/workflows/auto-update-gemfiles.yml
@@ -58,7 +58,8 @@ jobs:
         
       - name: Capture initial state
         run: |
-          cd $GITHUB_WORKSPACE
+          echo ${{ github.workspace }}
+          cd ${{ github.workspace }}
           git diff --name-only HEAD > before_update.txt
 
       - name: Output Ruby version