diff --git a/app/code/community/Amazon/Payments/Helper/Data.php b/app/code/community/Amazon/Payments/Helper/Data.php
index 313e4d6..d3e3448 100644
--- a/app/code/community/Amazon/Payments/Helper/Data.php
+++ b/app/code/community/Amazon/Payments/Helper/Data.php
@@ -255,4 +255,22 @@ public function getAdminConfig($path)
         }
     }
 
+    /**
+     * Get admin/default store id
+     */
+    public function getAdminStoreId()
+    {
+      if ($code = Mage::getSingleton('adminhtml/config_data')->getStore()) {
+          return Mage::getModel('core/store')->load($code)->getId();
+      }
+      elseif ($code = Mage::getSingleton('adminhtml/config_data')->getWebsite()) {
+          $website_id = Mage::getModel('core/website')->load($code)->getId();
+          return Mage::app()->getWebsite($website_id)->getDefaultStore()->getId();
+      }
+      else
+      {
+          return Mage::app()->getDefaultStoreView()->getId();
+      }
+    }
+
 }
\ No newline at end of file
diff --git a/app/code/community/Amazon/Payments/Model/SimplePath.php b/app/code/community/Amazon/Payments/Model/SimplePath.php
index 2439a12..ab975fc 100644
--- a/app/code/community/Amazon/Payments/Model/SimplePath.php
+++ b/app/code/community/Amazon/Payments/Model/SimplePath.php
@@ -219,7 +219,7 @@ public function autoEnable()
      */
     public function getListenerUrl()
     {
-        $url = Mage::getUrl('amazon_payments/simplepath', array('_store' => 1, '_forced_secure' => true));
+        $url = Mage::getUrl('amazon_payments/simplepath', array('_store' => Mage::helper('amazon_payments')->getAdminStoreId(), '_forced_secure' => true));
         // Add index.php
         $baseUrl = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_WEB, true);
         return str_replace($baseUrl, $baseUrl . 'index.php/', $url);
diff --git a/app/code/community/Amazon/Payments/Model/System/Config/Backend/Popupcomment.php b/app/code/community/Amazon/Payments/Model/System/Config/Backend/Popupcomment.php
index 1a0361c..fa1c61d 100644
--- a/app/code/community/Amazon/Payments/Model/System/Config/Backend/Popupcomment.php
+++ b/app/code/community/Amazon/Payments/Model/System/Config/Backend/Popupcomment.php
@@ -23,8 +23,8 @@ public function getCommentText(Mage_Core_Model_Config_Element $element, $current
         <div style="border:1px solid #ccc; color:#666; padding:8px; margin-top:0.5em; font-size:90%">
         If "No," add these URLs in Seller Central under "Allowed Return URLs":<br />
         <ul style="list-style:disc inside">
-        <li>' . str_replace($replace_cleanup, '', Mage::getUrl('amazon_payments/customer/authorize', array('_store' => 1, '_forced_secure' => true))) . '</li>
-        <li>' . str_replace($replace_cleanup, '', Mage::getUrl('amazon_payments/checkout/authorize', array('_store' => 1, '_forced_secure' => true))) . '</li>
+        <li>' . str_replace($replace_cleanup, '', Mage::getUrl('amazon_payments/customer/authorize', array('_store' => Mage::helper('amazon_payments')->getAdminStoreId(), '_forced_secure' => true))) . '</li>
+        <li>' . str_replace($replace_cleanup, '', Mage::getUrl('amazon_payments/checkout/authorize', array('_store' => Mage::helper('amazon_payments')->getAdminStoreId(), '_forced_secure' => true))) . '</li>
         </ul>
         </div>
         <style>#payment_amazon_payments_popupcomment{display:none;}</style>