diff --git a/.forgejo/workflows/deploy-dgnum.yaml b/.forgejo/workflows/deploy-dgnum.yaml
index 1672836..c6c0237 100644
--- a/.forgejo/workflows/deploy-dgnum.yaml
+++ b/.forgejo/workflows/deploy-dgnum.yaml
@@ -17,6 +17,7 @@ jobs:
 
       - name: Build website
         run: |
+          export HOME="$GITHUB_WORKSPACE"
           printenv
           nix-build dgnum.eu