diff --git a/app/models/app.rb b/app/models/app.rb
index 42c317a..d928bc0 100644
--- a/app/models/app.rb
+++ b/app/models/app.rb
@@ -5,7 +5,8 @@ class App
   field :name, :type => String
   field :api_key
   field :resolve_errs_on_deploy, :type => Boolean, :default => false
-  key :name
+  # Some legacy apps may have sting as key instead of BSON::ObjectID
+  identity :type => String
   
   embeds_many :watchers
   embeds_many :deploys
diff --git a/app/views/errs/show.html.haml b/app/views/errs/show.html.haml
index 62f533c..11b4fb9 100644
--- a/app/views/errs/show.html.haml
+++ b/app/views/errs/show.html.haml
@@ -1,6 +1,8 @@
 - content_for :page_title, @err.message
 - content_for :title, @err.klass
 - content_for :meta do
+  %strong App:
+  = @app.name
   %strong Where:
   = @err.where
   %strong Environment:
--
libgit2 0.21.2