diff --git a/lib/PaymentRails/ResourceCollection.php b/lib/PaymentRails/ResourceCollection.php
index 37579d6..724415a 100644
--- a/lib/PaymentRails/ResourceCollection.php
+++ b/lib/PaymentRails/ResourceCollection.php
@@ -40,9 +40,10 @@ class ResourceCollection implements Iterator
      */
     public function  __construct($response, $items, $pager)
     {
-        $this->_page = $response["meta"]["page"];
+        // Add "meta" fields only when they exist in JSON response
+        $this->_page = isset($response["meta"]) ? $response["meta"]["page"] : null;
         $this->_items = $items;
-        $this->_records = $response["meta"]["records"];
+        $this->_records = isset($response["meta"]) ? $response["meta"]["records"] : null;
         $this->_pager = $pager;
         $this->_index = 0;
         if (isset($response["meta"]["pages"])) {
diff --git a/lib/PaymentRails/Version.php b/lib/PaymentRails/Version.php
index 8807fe9..e52872a 100644
--- a/lib/PaymentRails/Version.php
+++ b/lib/PaymentRails/Version.php
@@ -11,8 +11,8 @@ class Version
      * class constants
      */
     const MAJOR = 2;
-    const MINOR = 2;
-    const TINY = 0;
+    const MINOR = 1;
+    const TINY = 4;
 
     /**
      * @ignore