diff --git a/perl-script/create_user.pl b/perl-script/create_user.pl
index e0bc7a2..a7f40a3 100644
--- a/perl-script/create_user.pl
+++ b/perl-script/create_user.pl
@@ -90,7 +90,7 @@ sub create($){
 	system($cmd);
 	system("echo '".$pub_key."' > /home/$username/.ssh/authorized_keys");
 	system("chmod 711 /home/$username");
-	system("test -f $fn1 && mv $fn1 $fn1.done");
+	system("test $fn1 && mv $fn1 $fn1.done");
 	system("echo $username >> $ul_path");
     }
     close IN0;