diff --git a/inc/inc.ClassSettings.php b/inc/inc.ClassSettings.php
index f51ec5ed9..874a79811 100644
--- a/inc/inc.ClassSettings.php
+++ b/inc/inc.ClassSettings.php
@@ -1031,7 +1031,10 @@ class Settings { /* {{{ */
 					case 'mysql':
 					case 'mysqli':
 					case 'mysqlnd':
-						$dsn = $this->_dbDriver.":dbname=".$this->_dbDatabase.";host=".$this->_dbHostname;
+						$tmp = explode(":", $this->_dbHostname);
+						$dsn = $this->_dbDriver.":dbname=".$this->_dbDatabase.";host=".$tmp[0];
+						if(!empty($tmp[1]))
+							$dsn .= ";port=".$tmp[1];
 						break;
 					case 'sqlite':
 						$dsn = $this->_dbDriver.":".$this->_dbDatabase;
diff --git a/install/install.php b/install/install.php
index cf35141c9..23095f2bb 100644
--- a/install/install.php
+++ b/install/install.php
@@ -50,7 +50,10 @@ function openDBConnection($settings) { /* {{{ */
 		case 'mysql':
 		case 'mysqli':
 		case 'mysqlnd':
-			$dsn = $settings->_dbDriver.":dbname=".$settings->_dbDatabase.";host=".$settings->_dbHostname;
+			$tmp = explode(":", $settings->_dbHostname);
+			$dsn = $settings->_dbDriver.":dbname=".$settings->_dbDatabase.";host=".$tmp[0];
+			if(isset($tmp[1]))
+				$dsn .= ";port=".$tmp[1];
 			break;
 		case 'sqlite':
 			$dsn = $settings->_dbDriver.":".$settings->_dbDatabase;