diff --git a/src/Resources/config/services/subscriber.xml b/src/Resources/config/services/subscriber.xml
index ba25c3490..d13a6baa1 100644
--- a/src/Resources/config/services/subscriber.xml
+++ b/src/Resources/config/services/subscriber.xml
@@ -42,6 +42,7 @@
 
         <service id="Kiener\MolliePayments\Subscriber\StorefrontBuildSubscriber">
             <argument type="service" id="Kiener\MolliePayments\Service\SettingsService"/>
+            <argument>%kernel.shopware_version%</argument>
             <tag name="kernel.event_subscriber"/>
         </service>
 
diff --git a/src/Resources/views/storefront/layout/meta.html.twig b/src/Resources/views/storefront/layout/meta.html.twig
index 206b3868e..41063cc5b 100644
--- a/src/Resources/views/storefront/layout/meta.html.twig
+++ b/src/Resources/views/storefront/layout/meta.html.twig
@@ -29,6 +29,14 @@
         {% endif %}
     {% endif %}
 
+    {% if includeJsInHeader == true and mollie_javascript_check_duplicate == true %}
+        {% for script in theme_scripts() %}
+            {% if script == 'js/mollie-payments/mollie-payments.js' %}
+                {% set includeJsInHeader = false %}
+            {% endif %}
+        {% endfor %}
+    {% endif %}
+
     <script>
         window.mollie_javascript_use_shopware = '{{ mollie_javascript_use_shopware }}'
     </script>
diff --git a/src/Subscriber/StorefrontBuildSubscriber.php b/src/Subscriber/StorefrontBuildSubscriber.php
index 07bbbe9fc..f8192cba6 100644
--- a/src/Subscriber/StorefrontBuildSubscriber.php
+++ b/src/Subscriber/StorefrontBuildSubscriber.php
@@ -2,6 +2,7 @@
 
 namespace Kiener\MolliePayments\Subscriber;
 
+use Kiener\MolliePayments\Compatibility\VersionCompare;
 use Kiener\MolliePayments\Service\SettingsService;
 use Shopware\Storefront\Event\StorefrontRenderEvent;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
@@ -13,13 +14,20 @@ class StorefrontBuildSubscriber implements EventSubscriberInterface
      */
     private $settingsService;
 
+    /**
+     * @var VersionCompare
+     */
+    private $versionCompare;
+
 
     /**
      * @param SettingsService $settingsService
+     * @param string $shopwareVersion
      */
-    public function __construct(SettingsService $settingsService)
+    public function __construct(SettingsService $settingsService, string $shopwareVersion)
     {
         $this->settingsService = $settingsService;
+        $this->versionCompare = new VersionCompare($shopwareVersion);
     }
 
     /**
@@ -43,5 +51,6 @@ public function onStorefrontRender(StorefrontRenderEvent $event): void
 
         $useJsValue = (int)$settings->isUseShopwareJavascript();
         $event->setParameter('mollie_javascript_use_shopware', $useJsValue);
+        $event->setParameter('mollie_javascript_check_duplicate', $this->versionCompare->gte('6.6'));
     }
 }