diff --git a/.github/workflows/sync.yml b/.github/workflows/sync.yml
index 8c988701..6921b832 100644
--- a/.github/workflows/sync.yml
+++ b/.github/workflows/sync.yml
@@ -33,5 +33,5 @@ jobs:
       - name: Sync
         run: .github/sync-to-mirrors.sh
         env:
-          BUILD_BASE: ${GITHUB_WORKSPACE}/plugins
+          BUILD_BASE: ${{ env.GITHUB_WORKSPACE }}/plugins
           API_TOKEN_GITHUB: ${{ secrets.ORG_TAURI_BOT_PAT }}