lib/superstore/persistence.rb in superstore-2.4.1 vs lib/superstore/persistence.rb in superstore-2.4.2

@@ -120,9 +120,10 @@
     alias update_attributes! update!
 
     def becomes(klass)
       became = klass.new
       became.instance_variable_set("@attributes", @attributes)
+      became.instance_variable_set("@changed_attributes", changed_attributes || {})
       became.instance_variable_set("@new_record", new_record?)
       became.instance_variable_set("@destroyed", destroyed?)
       became
     end