diff --git a/config/routes.rb b/config/routes.rb
index c61b7f5ab..a5e5aec63 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -42,4 +42,7 @@ def self.matches?(request)
   # GoodJob admin interface – only accessible to support users
   mount GoodJob::Engine => "/good_job", constraints: SupportUserConstraint
   get "/good_job", to: redirect("/support")
+
+  # Deliberately cause a stack trace so Colin can test how it gets logged
+  get "/explode" => ->(_env) { BOOM! }
 end