diff --git a/src/Form/ShopifyVariantOptionsForm.php b/src/Form/ShopifyVariantOptionsForm.php
index 63c836b..81ba343 100644
--- a/src/Form/ShopifyVariantOptionsForm.php
+++ b/src/Form/ShopifyVariantOptionsForm.php
@@ -50,6 +50,7 @@ class ShopifyVariantOptionsForm extends FormBase {
     $form['options']['#tree'] = TRUE;
 
     foreach ($options as $option) {
+      $option = unserialize(serialize($option));
       if ($option['values'][0] == 'Default Title') {
         // Skip variant options that don't really need options.
         continue;
@@ -82,7 +83,7 @@ class ShopifyVariantOptionsForm extends FormBase {
    * {@inheritdoc}
    */
   public function submitForm(array &$form, FormStateInterface $form_state) {
-    $this->goToVariantWithOptions($form_state->getValue('options'), $form_state);
+    $this->goToVariantWithOptions($form_state, $form_state->getValue('options'));
   }
 
   /**
@@ -96,7 +97,7 @@ class ShopifyVariantOptionsForm extends FormBase {
    * @todo Move $options to the end.
    */
   // @codingStandardsIgnoreLine
-  private function goToVariantWithOptions(array $options = [], FormStateInterface $form_state) {
+  private function goToVariantWithOptions(FormStateInterface $form_state, array $options = []) {
     $variant = $this->getVariantByOptions($form_state, $options);
     if ($variant instanceof ShopifyProductVariant) {
       // We have a matching variant we can redirect to.