diff --git a/src/Driver/API/MySQL/ExceptionConverter.php b/src/Driver/API/MySQL/ExceptionConverter.php
index 87d50aff9e3..fdfc75a77fd 100644
--- a/src/Driver/API/MySQL/ExceptionConverter.php
+++ b/src/Driver/API/MySQL/ExceptionConverter.php
@@ -101,6 +101,7 @@ public function convert(Exception $exception, ?Query $query): DriverException
                 return new ConnectionException($exception, $query);
 
             case 2006:
+            case 4031:
                 return new ConnectionLost($exception, $query);
 
             case 1048: