diff --git a/app/controllers/split_checkout_controller.rb b/app/controllers/split_checkout_controller.rb
index 28cc0220b2..6ded33fb28 100644
--- a/app/controllers/split_checkout_controller.rb
+++ b/app/controllers/split_checkout_controller.rb
@@ -36,14 +36,7 @@ class SplitCheckoutController < ::BaseController
       advance_order_state
       redirect_to_step
     else
-      flash.now[:error] ||= I18n.t(
-        'split_checkout.errors.saving_failed',
-        messages: @order.errors.full_messages.to_sentence
-      )
-
-      render status: :unprocessable_entity, operations: cable_car.
-        replace("#checkout", partial("split_checkout/checkout")).
-        replace("#flashes", partial("shared/flashes", locals: { flashes: flash }))
+      render_error
     end
   rescue Spree::Core::GatewayError => e
     flash[:error] = I18n.t(:spree_gateway_error_flash_for_checkout, error: e.message)
@@ -53,6 +46,17 @@ class SplitCheckoutController < ::BaseController
 
   private
 
+  def render_error
+    flash.now[:error] ||= I18n.t(
+      'split_checkout.errors.saving_failed',
+      messages: @order.errors.full_messages.to_sentence
+    )
+
+    render status: :unprocessable_entity, operations: cable_car.
+      replace("#checkout", partial("split_checkout/checkout")).
+      replace("#flashes", partial("shared/flashes", locals: { flashes: flash }))
+  end
+
   def flash_error_when_no_shipping_method_available
     flash[:error] = I18n.t('split_checkout.errors.no_shipping_methods_available')
   end