diff --git a/htdocs/admin/mails.php b/htdocs/admin/mails.php
index f0148dbaf49..36ba368eaeb 100644
--- a/htdocs/admin/mails.php
+++ b/htdocs/admin/mails.php
@@ -49,11 +49,11 @@ $substitutionarrayfortest=array(
 if (isset($_POST["action"]) && $_POST["action"] == 'update')
 {
 	dolibarr_set_const($db, "MAIN_DISABLE_ALL_MAILS",   $_POST["MAIN_DISABLE_ALL_MAILS"],'chaine',0,'',$conf->entity);
-	if ($_POST["MAIN_MAIL_SENDMODE"]) dolibarr_set_const($db, "MAIN_MAIL_SENDMODE",       $_POST["MAIN_MAIL_SENDMODE"],'chaine',0,'',0);
-	if ($_POST["MAIN_MAIL_SMTP_PORT"]) dolibarr_set_const($db, "MAIN_MAIL_SMTP_PORT",      $_POST["MAIN_MAIL_SMTP_PORT"],'chaine',0,'',0);
-	if ($_POST["MMAIN_MAIL_SMTP_SERVER"]) dolibarr_set_const($db, "MAIN_MAIL_SMTP_SERVER",    $_POST["MAIN_MAIL_SMTP_SERVER"],'chaine',0,'',0);
-	if ($_POST["MAIN_MAIL_SMTPS_ID"]) dolibarr_set_const($db, "MAIN_MAIL_SMTPS_ID",       $_POST["MAIN_MAIL_SMTPS_ID"],'chaine',0,'',0);
-	if ($_POST["MAIN_MAIL_SMTPS_PW"]) dolibarr_set_const($db, "MAIN_MAIL_SMTPS_PW",       $_POST["MAIN_MAIL_SMTPS_PW"],'chaine',0,'',0);
+	dolibarr_set_const($db, "MAIN_MAIL_SENDMODE",       $_POST["MAIN_MAIL_SENDMODE"],'chaine',0,'',0);
+	dolibarr_set_const($db, "MAIN_MAIL_SMTP_PORT",      $_POST["MAIN_MAIL_SMTP_PORT"],'chaine',0,'',0);
+	dolibarr_set_const($db, "MAIN_MAIL_SMTP_SERVER",    $_POST["MAIN_MAIL_SMTP_SERVER"],'chaine',0,'',0);
+	dolibarr_set_const($db, "MAIN_MAIL_SMTPS_ID",       $_POST["MAIN_MAIL_SMTPS_ID"],'chaine',0,'',0);
+	dolibarr_set_const($db, "MAIN_MAIL_SMTPS_PW",       $_POST["MAIN_MAIL_SMTPS_PW"],'chaine',0,'',0);
 	dolibarr_set_const($db, "MAIN_MAIL_EMAIL_FROM",     $_POST["MAIN_MAIL_EMAIL_FROM"],'chaine',0,'',$conf->entity);
 
 	Header("Location: ".$_SERVER["PHP_SELF"]."?mainmenu=home&leftmenu=setup");