diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 6042fbc9a..973e73dac 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -315,7 +315,7 @@ class CoursesController < ApplicationController
     # @users = User.where.not(id: user_ids_of_course_members)
 
     @users = User.where(status: User::STATUS_ACTIVE)
-    @users = @users.where("concat(users.firstname, users.lastname) like '%#{name}%'") if name.present?
+    @users = @users.where("concat(users.lastname, users.firstname) like '%#{name}%'") if name.present?
     # REDO:Extension
     @users = @users.joins(user_extension: :school).where("schools.name like '%#{school_name}%'") if school_name.present?