diff --git a/app/routes/courses.rb b/app/routes/courses.rb
index ef47241c..72f6beb6 100644
--- a/app/routes/courses.rb
+++ b/app/routes/courses.rb
@@ -100,7 +100,7 @@ def guide_progress_report_projection
   end
 
   post '/courses/:course/invitation' do
-    authorize! :teacher
+    authorize! :janitor
     course = Course.find_by! with_organization slug: course_slug
     {invitation: course.invitation_link!(json_body[:expiration_date])}
   end