diff --git a/tests/ftpserver.pl b/tests/ftpserver.pl
index f5b7915d10..74cf9f230e 100755
--- a/tests/ftpserver.pl
+++ b/tests/ftpserver.pl
@@ -837,7 +837,7 @@ sub HELO_smtp {
 }
 
 sub QUIT_smtp {
-    sendcontrol "200 byebye\r\n";
+    sendcontrol "221 byebye\r\n";
 
     return 0;
 }