diff --git a/.github/actions/build-frontend/action.yml b/.github/actions/build-frontend/action.yml
index 7c6b0556..a8284354 100644
--- a/.github/actions/build-frontend/action.yml
+++ b/.github/actions/build-frontend/action.yml
@@ -38,7 +38,7 @@ runs:
       shell: bash
       working-directory: ${{ inputs.frontend-path }}
       run: |
-        MIDDLEWARE_API_URL=${{ inputs.api-endpoint }} npm run build
+        VITE_MIDDLEWARE_API_URL=${{ inputs.api-endpoint }} npm run build
     - name: Test frontend
       shell: bash
       working-directory: ${{ inputs.frontend-path }}