diff --git a/app/code/community/Mollie/Mpm/Model/Client/Orders.php b/app/code/community/Mollie/Mpm/Model/Client/Orders.php
index cedbe11..f6506fc 100644
--- a/app/code/community/Mollie/Mpm/Model/Client/Orders.php
+++ b/app/code/community/Mollie/Mpm/Model/Client/Orders.php
@@ -535,6 +535,11 @@ public function createShipment(Mage_Sales_Model_Order_Shipment $shipment, Mage_S
                 $payment->setTransactionId($transactionId);
                 $payment->registerCaptureNotification($captureAmount, true);
 
+                // Set the tax_invoiced and base_tax_invoiced. Normally this is done by calling $invoice->register(),
+                // but because the invoice is already exists this does not work. So, set it manually.
+                $order->setTaxInvoiced($order->getTaxInvoiced() + $invoice->getTaxAmount());
+                $order->setBaseTaxInvoiced($order->getBaseTaxInvoiced() + $invoice->getBaseTaxAmount());
+
                 foreach ($invoice->getAllItems() as $item) {
                     if ($item->getQty() > 0) {
                         $item->register();
diff --git a/app/code/community/Mollie/Mpm/etc/config.xml b/app/code/community/Mollie/Mpm/etc/config.xml
index 938ceae..4a55a18 100644
--- a/app/code/community/Mollie/Mpm/etc/config.xml
+++ b/app/code/community/Mollie/Mpm/etc/config.xml
@@ -33,7 +33,7 @@
 <config>
     <modules>
         <Mollie_Mpm>
-            <version>5.6.5</version>
+            <version>5.6.6</version>
         </Mollie_Mpm>
     </modules>
     <global>