diff --git a/htdocs/public/test/test_exec.php b/htdocs/public/test/test_exec.php
index f805cc19b5c..3fd66b40635 100644
--- a/htdocs/public/test/test_exec.php
+++ b/htdocs/public/test/test_exec.php
@@ -78,7 +78,7 @@ if ($f) {
 
 print '<br><br>'."\n";
 
-exec('cat /test.txt; ls /dev/std*; sleep 1;', $out, $ret);
+exec('cat /test.txt; ls /dev/std*; id; sleep 1;', $out, $ret);
 print $ret."<br>\n";
 print_r($out);