diff --git a/config/initializers/overrides.rb b/config/initializers/overrides.rb
index 157232e..4d7f3ba 100644
--- a/config/initializers/overrides.rb
+++ b/config/initializers/overrides.rb
@@ -1,2 +1,8 @@
 require Rails.root.join('lib/overrides/devise/failure_app')
 require Rails.root.join('lib/overrides/hoptoad_notifier/hoptoad_notifier')
+
+class BSON::ObjectId
+  def as_json(*args)
+    to_s
+  end
+end
--
libgit2 0.21.2