diff --git a/includes/kohana/system/classes/kohana/request/client/external.php b/includes/kohana/system/classes/kohana/request/client/external.php
index 86fb5ef4..f3e6aeff 100644
--- a/includes/kohana/system/classes/kohana/request/client/external.php
+++ b/includes/kohana/system/classes/kohana/request/client/external.php
@@ -293,7 +293,7 @@ class Kohana_Request_Client_External extends Request_Client {
 		$options[CURLOPT_RETURNTRANSFER] = TRUE;
 
 		// Apply any additional options set to Request_Client_External::$_options
-		$options += $this->_options;
+		$options = Arr::merge($options, $this->_options);
 
 		$uri = $request->uri();
 
@@ -424,4 +424,4 @@ class Kohana_Request_Client_External extends Request_Client {
 
 		return $response;
 	}
-} // End Kohana_Request_Client_External
\ No newline at end of file
+} // End Kohana_Request_Client_External