diff --git a/config.php.sample b/config.php.sample
index 41b09247..e7d5441f 100755
--- a/config.php.sample
+++ b/config.php.sample
@@ -4,5 +4,5 @@ define('PSM_DB_USER', 'db_user');
 define('PSM_DB_PASS', 'db_pass');
 define('PSM_DB_NAME', 'db_name');
 define('PSM_DB_HOST', 'localhost');
-define('PSM_DB_PORT', '3306');
+define('PSM_DB_PORT', '');