diff --git a/.github/workflows/build_ci_vsce.yml b/.github/workflows/build_ci_vsce.yml
index 67da50c..685c96e 100644
--- a/.github/workflows/build_ci_vsce.yml
+++ b/.github/workflows/build_ci_vsce.yml
@@ -10,6 +10,9 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: ./extension
 
     steps:
       - name: Checkout code