diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index ad4f918b0..af1317760 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -88,7 +88,7 @@ class ApplicationController < ActionController::Base
   end
 
   def rescue_exception(exception)
-    return if Danbooru.config.debug_mode
+    raise exception if Danbooru.config.debug_mode
 
     case exception
     when ActionView::Template::Error