diff --git a/nexus/Install/Install.php b/nexus/Install/Install.php
index 3d8cc109..f105f65b 100644
--- a/nexus/Install/Install.php
+++ b/nexus/Install/Install.php
@@ -550,7 +550,7 @@ class Install
         }
         $this->doLog("[CREATE ENV] final newData: " . json_encode($newData));
         unset($key, $value);
-        mysql_connect($newData['DB_HOST'], $newData['DB_USERNAME'], $newData['DB_PASSWORD'], $newData['DB_DATABASE'], $newData['DB_PORT']);
+        mysql_connect($newData['DB_HOST'], $newData['DB_USERNAME'], $newData['DB_PASSWORD'], $newData['DB_DATABASE'], (int)$newData['DB_PORT']);
         $redis = new \Redis();
         $redis->connect($newData['REDIS_HOST'], $newData['REDIS_PORT'] ?: 6379);
         if (!empty($data['REDIS_PASSWORD'])) {