diff --git a/app/code/core/Mage/Catalog/Block/Product/View/Options.php b/app/code/core/Mage/Catalog/Block/Product/View/Options.php
index 9d49d47f..45169ec5 100644
--- a/app/code/core/Mage/Catalog/Block/Product/View/Options.php
+++ b/app/code/core/Mage/Catalog/Block/Product/View/Options.php
@@ -148,8 +148,8 @@ protected function _getPriceConfiguration($option)
         $data['oldPrice']   = Mage::helper('core')->currency($option->getPrice(false), false, false);
         $data['priceValue'] = $option->getPrice(false);
         $data['type']       = $option->getPriceType();
-        $data['excludeTax'] = $price = Mage::helper('tax')->getPrice($option->getProduct(), $data['price'], false);
-        $data['includeTax'] = $price = Mage::helper('tax')->getPrice($option->getProduct(), $data['price'], true);
+        $data['excludeTax'] = $price = Mage::helper('tax')->getPrice($option->getProduct(), $data['priceValue'], false);
+        $data['includeTax'] = $price = Mage::helper('tax')->getPrice($option->getProduct(), $data['priceValue'], true);
         return $data;
     }