diff --git a/lib/x2gobroker-agent.pl b/lib/x2gobroker-agent.pl

index 82d075c..df5927d 100755

--- a/lib/x2gobroker-agent.pl

+++ b/lib/x2gobroker-agent.pl

@@ -277,7 +277,7 @@ if($mode eq 'listsessions' && which('x2golistsessions'))

 {

 	InitX2GoUser($uid, $uidNumber, $gidNumber, $home);

 	print "OK\n";

-	system("sudo", "-u", "$uid", "--", "x2golistsessions", "--all-servers");

+	system("su", "-", "-c x2golistsessions --all-servers", "$uid");

 }

 if( (($mode eq 'findbusyservers_by_sessionstats') || ($mode eq 'findbusyservers')) && which('x2gogetservers') )

@@ -303,7 +303,7 @@ if( (($mode eq 'findbusyservers_by_sessionstats') || ($mode eq 'findbusyservers'

 	InitX2GoUser($uid, $uidNumber, $gidNumber, $home);

 	print "OK\n";

-	my $busy_servers = `sudo -u $uid -- x2gogetservers`;

+	my $busy_servers = `su - '-c x2gogetservers' $uid`;

 	my %server_usage = ();

 	my $num_sessions = 0;