diff --git a/wx/WxClient.php b/wx/WxClient.php
index ecb0976..dcfa360 100644
--- a/wx/WxClient.php
+++ b/wx/WxClient.php
@@ -141,7 +141,8 @@ class WxClient
 	 */
 	private function getHostIp()
 	{
-		return array_shift(\Co::getAddrInfo($this->host));
+		$host = \Co::getAddrInfo($this->host);
+		return array_shift($host);
 	}
 
 	/**