diff --git a/app/code/community/Nexcessnet/Turpentine/Model/Observer/Esi.php b/app/code/community/Nexcessnet/Turpentine/Model/Observer/Esi.php
index 09d4a4c10..2b1040c5a 100644
--- a/app/code/community/Nexcessnet/Turpentine/Model/Observer/Esi.php
+++ b/app/code/community/Nexcessnet/Turpentine/Model/Observer/Esi.php
@@ -297,6 +297,11 @@ public function injectEsi($eventObject) {
                 );
             }
 
+            /**
+             * Keep params from original url
+             */
+            $urlOptions['_query'] = Mage::app()->getRequest()->getParams();
+            
             $esiUrl = Mage::getUrl('turpentine/esi/getBlock', $urlOptions);
             if ($esiOptions[$methodParam] == 'esi') {
                 // setting [web/unsecure/base_url] can be https://... but ESI can never be HTTPS