diff --git a/src/Transmit/Client.php b/src/Transmit/Client.php
index c74defe..efef7e1 100644
--- a/src/Transmit/Client.php
+++ b/src/Transmit/Client.php
@@ -31,15 +31,16 @@ private function request($uri, $type = 'GET', $post_data = '')
 	{
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_URL, $this->hostname . $uri);
-        curl_setopt($ch, CURLOPT_HTTPHEADER, array(sprintf('Key: %s', $this->key)));
-        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-        curl_setopt($ch, CURLOPT_TIMEOUT, self::TIMEOUT);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 
         if ($type == 'POST') {
-	        curl_setopt($ch, CURLOPT_POST, 1);
+	        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
 	        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
 	    }
 
+        curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json', sprintf('Key: %s', $this->key)));
+        curl_setopt($ch, CURLOPT_TIMEOUT, self::TIMEOUT);
+
         $response = curl_exec($ch);
         curl_close($ch);
         return $response;