diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 8eefe5ff5..075777891 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -1349,6 +1349,7 @@ class CoursesController < ApplicationController
 
   def search_slim
     courses = current_user.manage_courses.not_deleted.processing
+    courses = courses.where(id: current_laboratory.all_courses)
 
     keyword = params[:keyword].to_s.strip
     if keyword.present?