diff --git a/app/models/code_harbor_link.rb b/app/models/code_harbor_link.rb
index 54250644..2e219aa9 100644
--- a/app/models/code_harbor_link.rb
+++ b/app/models/code_harbor_link.rb
@@ -2,7 +2,9 @@ class CodeHarborLink < ActiveRecord::Base
   validates :oauth2token, presence: true
   validates :user_id, presence: true
 
-  belongs_to :user
+  belongs_to :internal_user, foreign_key: :user_id
+  alias_method :user, :internal_user
+  alias_method :user=, :internal_user=
 
   def to_s
     oauth2token