diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 268781df3..7f3d2c1a2 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -1824,7 +1824,7 @@ module ApplicationHelper
   def attachment_candown attachment
     candown = false
     if attachment.container
-      if attachment.container.class.to_s != "HomeworkAttach" && (attachment.container.has_attribute?(:project) || attachment.container.has_attribute?(:project_id)) && attachment.container.project
+      if attachment.container.class.to_s != "HomeworkAttach" && attachment.container.class.to_s != "StudentWork" && (attachment.container.has_attribute?(:project) || attachment.container.has_attribute?(:project_id)) && attachment.container.project
         project = attachment.container.project
         candown= User.current.member_of?(project) || (project.is_public && attachment.is_public == 1)
       elsif attachment.container.is_a?(Project)