diff --git a/.gitea/workflows/deploy.yml b/.gitea/workflows/deploy.yml
index 6467a7b..0ea0c10 100644
--- a/.gitea/workflows/deploy.yml
+++ b/.gitea/workflows/deploy.yml
@@ -37,8 +37,8 @@ jobs:
                   push: true
                   tags: |
                       rooftopenergy/powermeter-frontend:${{ steps.extract_tag.outputs.tag }}
-              env:
-                  NEXT_PUBLIC_FASTAPI_URL: ${{ secrets.NEXT_PUBLIC_FASTAPI_URL }}        
+                  build-args: |
+                      NEXT_PUBLIC_FASTAPI_URL: ${{ secrets.NEXT_PUBLIC_FASTAPI_URL }}        
 
             - name: SSH and Deploy
               uses: appleboy/ssh-action@master