diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 21ee917..461bc12 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -106,7 +106,7 @@ jobs:
           CI_NODE_INDEX: ${{ matrix.index }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       - name: Deploy to Github Pages
-        if: ${{$CI_NODE_INDEX == 'build'}}
+        if: ${{env.CI_NODE_INDEX == 'build'}}
         uses: peaceiris/actions-gh-pages@v3
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}