diff --git a/app/controllers/spree/admin/variants_controller.rb b/app/controllers/spree/admin/variants_controller.rb
index 6033db7afe..47505f7b1d 100644
--- a/app/controllers/spree/admin/variants_controller.rb
+++ b/app/controllers/spree/admin/variants_controller.rb
@@ -50,9 +50,8 @@ module Spree
           flash[:success] = flash_message_for(@object, :successfully_updated)
           redirect_to spree.admin_product_variants_url(params[:product_id], @url_filters)
         else
-          redirect_to spree.edit_admin_product_variant_url(params[:product_id],
-                                                           @object,
-                                                           @url_filters)
+          load_data
+          render :edit
         end
       end
 
diff --git a/app/models/spree/product.rb b/app/models/spree/product.rb
index a8cb206056..41b8c8f610 100755
--- a/app/models/spree/product.rb
+++ b/app/models/spree/product.rb
@@ -67,6 +67,7 @@ module Spree
     validates :variant_unit_name,
               presence: { if: ->(p) { p.variant_unit == 'items' } }
     validate :validate_image
+    validates :price, numericality: { greater_than_or_equal_to: 0, if: ->{ new_record? } }
 
     accepts_nested_attributes_for :variants, allow_destroy: true
     accepts_nested_attributes_for :image
diff --git a/app/models/spree/variant.rb b/app/models/spree/variant.rb
index ea05767a63..f470f4bb51 100644
--- a/app/models/spree/variant.rb
+++ b/app/models/spree/variant.rb
@@ -72,6 +72,7 @@ module Spree
     }
 
     validates :unit_value, numericality: { greater_than: 0 }
+    validates :price, numericality: { greater_than_or_equal_to: 0 }
 
     validates :unit_description, presence: true, if: ->(variant) {
       variant.product&.variant_unit.present? && variant.unit_value.nil?
diff --git a/lib/spree/core/product_duplicator.rb b/lib/spree/core/product_duplicator.rb
index a99419bc19..82837bf3a6 100644
--- a/lib/spree/core/product_duplicator.rb
+++ b/lib/spree/core/product_duplicator.rb
@@ -24,6 +24,7 @@ module Spree
           new_product.created_at = nil
           new_product.deleted_at = nil
           new_product.updated_at = nil
+          new_product.price = 0
           new_product.unit_value = %w(weight volume).include?(product.variant_unit) ? 1.0 : nil
           new_product.product_properties = reset_properties
           new_product.image = duplicate_image(product.image) if product.image
diff --git a/spec/controllers/api/v0/products_controller_spec.rb b/spec/controllers/api/v0/products_controller_spec.rb
index 574a4df07d..c31e323896 100644
--- a/spec/controllers/api/v0/products_controller_spec.rb
+++ b/spec/controllers/api/v0/products_controller_spec.rb
@@ -102,7 +102,8 @@ describe Api::V0::ProductsController, type: :controller do
       expect(response.status).to eq(422)
       expect(json_response["error"]).to eq("Invalid resource. Please fix errors and try again.")
       errors = json_response["errors"]
-      expect(errors.keys).to match_array(["name", "primary_taxon", "supplier", "variant_unit"])
+      expect(errors.keys).to match_array(["name", "primary_taxon", "supplier", "variant_unit",
+                                          "price"])
     end
 
     it "can update a product" do
diff --git a/spec/lib/spree/core/product_duplicator_spec.rb b/spec/lib/spree/core/product_duplicator_spec.rb
index 08a8d9364e..265f2e1d53 100644
--- a/spec/lib/spree/core/product_duplicator_spec.rb
+++ b/spec/lib/spree/core/product_duplicator_spec.rb
@@ -71,6 +71,7 @@ describe Spree::Core::ProductDuplicator do
     expect(new_product).to receive(:sku=).with("")
     expect(new_product).to receive(:product_properties=).with([new_property])
     expect(new_product).to receive(:created_at=).with(nil)
+    expect(new_product).to receive(:price=).with(0)
     expect(new_product).to receive(:unit_value=).with(nil)
     expect(new_product).to receive(:updated_at=).with(nil)
     expect(new_product).to receive(:deleted_at=).with(nil)