diff --git a/tests/ftpserver.pl b/tests/ftpserver.pl
index fd30ac823..83fdfc20a 100755
--- a/tests/ftpserver.pl
+++ b/tests/ftpserver.pl
@@ -1841,7 +1841,7 @@ sub QUIT_pop3 {
         @deleted = ();
     }
 
-    sendcontrol "+OK byebye\r\n";
+    sendcontrol "+OK cURL POP3 server signing off\r\n";
 
     return 0;
 }