diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index a96bc0fbe..aa216d755 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -345,7 +345,7 @@ class CoursesService
   def course_dynamic(params,current_user)
 
     @user = User.find(params[:id])
-    if !current_user.admin? && !@user.active?
+    if current_user.nil? && !current_user.admin? && !@user.active?
       raise '404'
       return
     end