diff --git a/src/Bigcommerce/Api/Connection.php b/src/Bigcommerce/Api/Connection.php
index 12fb659e..81ece79b 100644
--- a/src/Bigcommerce/Api/Connection.php
+++ b/src/Bigcommerce/Api/Connection.php
@@ -115,6 +115,9 @@ public function useXml($option = true)
         if ($option) {
             $this->contentType = self::MEDIA_TYPE_XML;
             $this->rawResponse = true;
+        } else {
+            $this->contentType = self::MEDIA_TYPE_JSON;
+            $this->rawResponse = false;
         }
     }