diff --git a/.github/workflows/deploy-pages.yaml b/.github/workflows/deploy-pages.yaml
index 6d90f7e..57e6f70 100644
--- a/.github/workflows/deploy-pages.yaml
+++ b/.github/workflows/deploy-pages.yaml
@@ -7,9 +7,6 @@ on:
 jobs:
   deploy:
     runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: doc
     steps:
       - name: Checkout code
         uses: actions/checkout@v2
@@ -21,12 +18,13 @@ jobs:
 
       - name: Install dependencies
         run: npm install
+        working-directory: doc
 
       - name: Build site
         run: npm run build
-
-      - name: Move CNAME file
-        run: mv ../CNAME ./doc/build/CNAME
+        working-directory: doc
+      - name: Add CNAME file
+        run: cp ../CNAME ./doc/build/CNAME
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3