diff --git a/m/tent/gitea.nix b/m/tent/gitea.nix
index 53c3b850..2c5b11f1 100644
--- a/m/tent/gitea.nix
+++ b/m/tent/gitea.nix
@@ -54,8 +54,9 @@
       WorkingDirectory = cfg.dump.backupDir;
     };
 
+    # gitea dump does not allow overriding files. Instead dump to stdout with -
     script = ''
-      ${exe} dump --type ${cfg.dump.type} --file "gitea-dump-$(date +%a).${cfg.dump.type}"
+      ${exe} dump --type ${cfg.dump.type} --file - >"gitea-dump-$(date +%a).${cfg.dump.type}"
     '';
   };