diff --git a/src/app/code/community/Zendesk/Zendesk/Helper/Data.php b/src/app/code/community/Zendesk/Zendesk/Helper/Data.php
index 5202c12..d8e645f 100644
--- a/src/app/code/community/Zendesk/Zendesk/Helper/Data.php
+++ b/src/app/code/community/Zendesk/Zendesk/Helper/Data.php
@@ -457,7 +457,7 @@ protected function formatAddress($address)
     
             $street = $address->getStreet();
             $addressData['line_1'] = $street[0] ?: '';
-            $addressData['line_2'] = $street[1] ?: '';
+            $addressData['line_2'] = isset($street[1]) ? $street[1] : '';
         }
 
         return $addressData;
@@ -819,4 +819,4 @@ public function getFilteredOrdersByProduct($customerFilters, $productFilters)
 
     #endregion version 3.0 or later
 }
- 
\ No newline at end of file
+