diff --git a/app/models/line_item_decorator.rb b/app/models/line_item_decorator.rb
index b073c03..73bcbfb 100644
--- a/app/models/line_item_decorator.rb
+++ b/app/models/line_item_decorator.rb
@@ -1,4 +1,4 @@
-LineItem.class_eval do
+Spree::LineItem.class_eval do
   
   has_many :digital_links
   
@@ -19,4 +19,4 @@ LineItem.class_eval do
     end
   end
   
-end
\ No newline at end of file
+end