diff --git a/machines/b4l/services/vikunja.nix b/machines/b4l/services/vikunja.nix
index c5e7437..592c0d9 100644
--- a/machines/b4l/services/vikunja.nix
+++ b/machines/b4l/services/vikunja.nix
@@ -11,7 +11,7 @@
       };
     };
 
-    script = ''cat $prompts/subdomain | echo "todo" > $out/subdomain'';
+    script = ''cat $prompts/subdomain || echo "todo" > $out/subdomain'';
   };
   services.vikunja = {
     frontendHostname = "${config.clan.core.vars.generators.vikunja.files.subdomain.value}.${config.networking.fqdn}";