diff --git a/app/helpers/files_helper.rb b/app/helpers/files_helper.rb
index 9eff409ff..884ebc2eb 100644
--- a/app/helpers/files_helper.rb
+++ b/app/helpers/files_helper.rb
@@ -87,7 +87,10 @@ module FilesHelper
   def visable_attachemnts attachments
     result = []
     attachments.each do |attachment|
-      if attachment.is_public? || (attachment.container_type == "Course" && User.current.member_of_course?(Course.find(attachment.container_id)))|| attachment.author_id == User.current.id
+      if attachment.is_public? ||
+          (attachment.container_type == "Project" && User.current.member_of?(attachment.project)) ||
+          (attachment.container_type == "Course" && User.current.member_of_course?(Course.find(attachment.container_id)))||
+          attachment.author_id == User.current.id
         result << attachment
       end
     end