diff --git a/db/migrate/20181106162211_update_weight_calculator_type_class_name.rb b/db/migrate/20181106162211_update_weight_calculator_type_class_name.rb
new file mode 100644
index 0000000000..f8e15b3414
--- /dev/null
+++ b/db/migrate/20181106162211_update_weight_calculator_type_class_name.rb
@@ -0,0 +1,9 @@
+class UpdateWeightCalculatorTypeClassName < ActiveRecord::Migration
+  def up
+    Spree::Calculator.connection.execute("UPDATE spree_calculators SET type = 'Calculator::Weight' WHERE type = 'OpenFoodNetwork::Calculator::Weight'")
+  end
+
+  def down
+    Spree::Calculator.connection.execute("UPDATE spree_calculators SET type = 'OpenFoodNetwork::Calculator::Weight' WHERE type = 'Calculator::Weight'")
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 18f7177b86..49dae1fa6e 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20181031105158) do
+ActiveRecord::Schema.define(:version => 20181106162211) do
 
   create_table "account_invoices", :force => true do |t|
     t.integer  "user_id",    :null => false