diff --git a/app/controllers/graduation_tasks_controller.rb b/app/controllers/graduation_tasks_controller.rb
index da3c680ce..2475ded42 100644
--- a/app/controllers/graduation_tasks_controller.rb
+++ b/app/controllers/graduation_tasks_controller.rb
@@ -513,7 +513,9 @@ class GraduationTasksController < ApplicationController
     page = params[:page] ? params[:page].to_i : 1
     limit = params[:limit] ? params[:limit].to_i : 10
     @work_list = @task.graduation_works.joins("join course_members on graduation_works.user_id=course_members.user_id").
-      where(course_members: {course_group_id: group_ids}).page(page).per(limit).includes(user: [:user_extension])
+      where(course_members: {course_group_id: group_ids})
+    @user_count = @work_list.size
+    @work_list = @work_list.page(page).per(limit).includes(user: [:user_extension])
     @students = @course.students.where(user_id: @work_list.pluck(:user_id))
   end
 
diff --git a/app/views/graduation_tasks/cross_comment_setting.json.jbuilder b/app/views/graduation_tasks/cross_comment_setting.json.jbuilder
index 72cae6eba..a10343c0b 100644
--- a/app/views/graduation_tasks/cross_comment_setting.json.jbuilder
+++ b/app/views/graduation_tasks/cross_comment_setting.json.jbuilder
@@ -10,7 +10,7 @@ json.work_users @work_list do |work|
   end
 end
 
-json.user_count @work_list.size
+json.user_count @user_count
 
 json.course_groups @course_groups do |group|
   json.(group, :id, :name)