diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index 511c18c..651b4bc 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -15,6 +15,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Set outputs
+        id: vars
+        run: echo "sha_short=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
       - name: Set up Node
         uses: actions/setup-node@v3
         with:
@@ -24,7 +27,7 @@ jobs:
         run: npm ci
       - name: Build
         env:
-          VITE_GIT_COMMIT_REF: "${GITHUB_SHA::7}"
+          VITE_GIT_COMMIT_REF: ${{ steps.vars.outputs.sha_short }}
         run: npm run gh-pages-build
       - name: Setup Pages
         uses: actions/configure-pages@v3