diff --git a/.forgejo/workflows/deploy-dgnum.yaml b/.forgejo/workflows/deploy-dgnum.yaml
index 00ae98b..493b858 100644
--- a/.forgejo/workflows/deploy-dgnum.yaml
+++ b/.forgejo/workflows/deploy-dgnum.yaml
@@ -17,7 +17,7 @@ jobs:
 
       - name: Build website
         run: |
-          nix-build dgnum.eu
+          nix-build dgnum.eu --show-trace
 
       - name: Clone dgnum.eu
         uses: actions/checkout@v3