diff --git a/app/models/note.rb b/app/models/note.rb
index 89d81ab1de2c77c71442d9bff0f8cef450c64228..de3b6df88f7ce8ef07d6c4e8c7db267f2ca28fd3 100644
--- a/app/models/note.rb
+++ b/app/models/note.rb
@@ -366,6 +366,6 @@ class Note < ActiveRecord::Base
   end
 
   def editable?
-    !read_attribute(:system)
+    !system?
   end
 end