diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index 94efb375a..22249b953 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -86,7 +86,7 @@ class CoursesService
       gender = m.user.user_extensions.gender.nil? ? 0 : m.user.user_extensions.gender
       work_unit = get_user_work_unit m.user
       location = get_user_location m.user
-      users << {:id => m.user.id, :img_url => img_url, :nickname => m.user.login, :gender => gender, :work_unit => work_unit, :mail => m.user.mail, :location => location, :brief_introduction => m.user.user_extensions.brief_introduction}
+      users << {:id => m.user.id, :img_url => img_url, :nickname => m.user.login, :gender => gender, :work_unit => work_unit, :mail => m.user.mail, :location => location, :brief_introduction => m.user.user_extensions.brief_introduction,:realname=>m.user.realname}
     end
     users
   end