diff --git a/lib/wally/application.rb b/lib/wally/application.rb
index <HASH>..<HASH> 100644
--- a/lib/wally/application.rb
+++ b/lib/wally/application.rb
@@ -11,7 +11,7 @@ end
 
 if ENV["MONGOHQ_URL"]
   Mongoid.configure do |config|
-    config.master = Mongo::Connection.from_uri(ENV["MONGOHQ_URL"]).db
+    config.master = Mongo::Connection.from_uri(ENV["MONGOHQ_URL"]).db("wally")
   end
 else
   Mongoid.configure do |config|
Mongohq url still failing