diff --git a/htdocs/public/members/new.php b/htdocs/public/members/new.php
index 0920e5976b1..dcf64ed7634 100644
--- a/htdocs/public/members/new.php
+++ b/htdocs/public/members/new.php
@@ -218,7 +218,7 @@ if (empty($reshook) && $action == 'add') {
 		$error++;
 		$errmsg .= $langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("Lastname"))."<br>\n";
 	}
-	if (!GETPOST('firstname') {
+	if (!GETPOST('firstname')) ä{
 		$error++;
 		$errmsg .= $langs->trans("ErrorFieldRequired", $langs->transnoentitiesnoconv("Firstname"))."<br>\n";
 }