diff --git a/app/models/organization.rb b/app/models/organization.rb
index 191014f..3e58da8 100644
--- a/app/models/organization.rb
+++ b/app/models/organization.rb
@@ -2,5 +2,9 @@ class Organization < ApplicationRecord
   self.table_name = 'organisations'
 
   has_many :roles, as: :access_to
-  has_many :users, through: :roles, source: :access_to, source_type: "Organisation"
+  has_many :users, through: :roles
+
+  def self.polymorphic_name
+    "Organisation"
+  end
 end