diff --git a/app/models/course.rb b/app/models/course.rb
index bf38be9..bfc64f3 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -21,7 +21,7 @@ class Course < ActiveRecord::Base
 	
 	# Associacoes
 	has_many :attachments,
-	         :order => "path, file_name",
+	         :order => "path is not null, path, file_name",
 	         :dependent => :destroy
 
 	has_many :events,