diff --git a/src/app/code/community/FireGento/GermanSetup/Model/Tax/Sales/Total/Quote/Tax.php b/src/app/code/community/FireGento/GermanSetup/Model/Tax/Sales/Total/Quote/Tax.php
index 83159f8..bfe252e 100644
--- a/src/app/code/community/FireGento/GermanSetup/Model/Tax/Sales/Total/Quote/Tax.php
+++ b/src/app/code/community/FireGento/GermanSetup/Model/Tax/Sales/Total/Quote/Tax.php
@@ -90,6 +90,8 @@ protected function _calculateShippingTax(Mage_Sales_Model_Quote_Address $address
         }
         $portions = $this->_collectTaxClassPortions($address->getQuote()->getAllItems());
 
+        Mage::dispatchEvent('firegento_germansetup_calculate_shipping_tax_portions_after', array('quote_address' => $address, 'portions' => $portions));
+
         $totalTaxable = $address->getShippingTaxable();
         $totalBaseTaxable = $address->getBaseShippingTaxable();
         $totalShippingTaxAmount = 0;