diff --git a/lib/misfit_client/middleware.rb b/lib/misfit_client/middleware.rb
index 0c3c692..e13459e 100644
--- a/lib/misfit_client/middleware.rb
+++ b/lib/misfit_client/middleware.rb
@@ -3,9 +3,9 @@ class Middleware
 
     def self.default_ignore_exceptions
       [].tap do |exceptions|
-        # exceptions << ActiveRecord::RecordNotFound if defined? ActiveRecord
-        # exceptions << AbstractController::ActionNotFound if defined? AbstractController
-        # exceptions << ActionController::RoutingError if defined? ActionController
+        exceptions << ActiveRecord::RecordNotFound if defined? ActiveRecord
+        exceptions << AbstractController::ActionNotFound if defined? AbstractController
+        exceptions << ActionController::RoutingError if defined? ActionController
       end
     end