diff --git a/plugins/postfixadmin-change-password/ChangePasswordPostfixAdminDriver.php b/plugins/postfixadmin-change-password/ChangePasswordPostfixAdminDriver.php
index 4fc8bbd3c..8ebcfe07b 100755
--- a/plugins/postfixadmin-change-password/ChangePasswordPostfixAdminDriver.php
+++ b/plugins/postfixadmin-change-password/ChangePasswordPostfixAdminDriver.php
@@ -231,6 +231,7 @@ class ChangePasswordPostfixAdminDriver implements \RainLoop\Providers\ChangePass
 		{
 			try
 			{
+				$sDsn = '';
 				switch($sEngine){
 				  case 'MySQL':
 					  $sDsn = 'mysql:host='.$this->sHost.';port='.$this->iPort.';dbname='.$this->sDatabase;