diff --git a/app/models/user.rb b/app/models/user.rb
index 29f262968d5a1dc2dc26e6acd3f1f3e4d3a2f42f..5a95deec53d0844aa49d70ec6ff0ca3f7242219f 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -143,6 +143,11 @@ class User < ActiveRecord::Base
   #
   # Instance methods
   #
+
+  def to_param
+    username
+  end
+
   def generate_password
     if self.force_random_password
       self.password = self.password_confirmation = Devise.friendly_token.first(8)