diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index c4e440aff..8bc2fb476 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -209,7 +209,7 @@ class ProjectsController < ApplicationController
   end
 
   def fork_users
-    fork_users = @project.fork_users.includes(:user, :project, :fork_project).order("fork_users.created_at desc").distinct
+    fork_users = @project.fork_users.includes(:owner, :project, :fork_project).order("fork_users.created_at desc").distinct
     @forks_count = fork_users.size
     @fork_users = paginate(fork_users)
   end
diff --git a/app/models/fork_user.rb b/app/models/fork_user.rb
index 4177392ee..2d74af4a4 100644
--- a/app/models/fork_user.rb
+++ b/app/models/fork_user.rb
@@ -17,7 +17,7 @@
 
 class ForkUser < ApplicationRecord
   belongs_to :project
-  belongs_to :owner
+  belongs_to :owner, class_name: 'Owner', foreign_key: :user_id
   belongs_to :fork_project, class_name: 'Project', foreign_key: :fork_project_id
 
   after_create :incre_project_common, :incre_user_statistic, :incre_platform_statistic
diff --git a/app/views/projects/fork_users.json.jbuilder b/app/views/projects/fork_users.json.jbuilder
index f5147e19e..730576c16 100644
--- a/app/views/projects/fork_users.json.jbuilder
+++ b/app/views/projects/fork_users.json.jbuilder
@@ -1,7 +1,7 @@
 json.count @forks_count
 json.users do
   json.array! @fork_users.each do |f|
-    user = f.user.present? ? f.user : Organization.find_by(id: f.user_id)
+    user = f.owner.present? ? f.owner : Organization.find_by(id: f.user_id)
     json.id f.fork_project.id
     json.identifier f.fork_project.identifier
     json.name "#{user.try(:show_real_name)}/#{f.fork_project.try(:name)}"