diff --git a/htdocs/admin/system/security.php b/htdocs/admin/system/security.php
index b745ad75818..1ca4b95856e 100644
--- a/htdocs/admin/system/security.php
+++ b/htdocs/admin/system/security.php
@@ -249,7 +249,7 @@ if (empty($dolibarr_main_prod)) {
 }
 print '<br>';
 
-print '<strong>$dolibarr_nocsrfcheck</strong>: '.$dolibarr_nocsrfcheck;
+print '<strong>$dolibarr_nocsrfcheck</strong>: '.(empty($dolibarr_nocsrfcheck) ? '0' : $dolibarr_nocsrfcheck);
 if (!empty($dolibarr_nocsrfcheck)) {
 	print ' &nbsp; '.img_picto('', 'warning').' '.$langs->trans("IfYouAreOnAProductionSetThis", 0);
 }