diff --git a/.gitea/workflows/build-pi-img.yml b/.gitea/workflows/build-pi-img.yml
index 1654982..e53fd33 100644
--- a/.gitea/workflows/build-pi-img.yml
+++ b/.gitea/workflows/build-pi-img.yml
@@ -40,7 +40,7 @@ jobs:
 
       - uses: https://github.com/actions/upload-artifact@v3.1.2
         with:
-          name: nixos-pi-23.05-{{ env.GITHUB_SHA }}.img
+          name: nixos-pi-23.05-${{ env.GITHUB_SHA }}.img
           path: result/sd-image/*.img
 
       - name: "Export Nix store cache"