diff --git a/.gitea/workflows/prod-docker-images.yml b/.gitea/workflows/prod-docker-images.yml
index 3070244..9f14dce 100644
--- a/.gitea/workflows/prod-docker-images.yml
+++ b/.gitea/workflows/prod-docker-images.yml
@@ -34,4 +34,4 @@ jobs:
           tags: ${{ vars.DOCKER_REGISTRY_URL }}/daniel156161/protonmail-bridge:latest
           platforms: linux/amd64
           build-args: |
-            version=${{ env.VERSION }}
+            VERSION=${{ env.VERSION }}