diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index fc9bbdc..5937b22 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -68,7 +68,7 @@
 	{
 		parent::__construct($params);
 
-		if ($this->port !== '')
+		if ( ! empty($this->port))
 		{
 			$this->hostname .= ':'.$this->port;
 		}