diff --git a/components/main-nav.tsx b/components/main-nav.tsx
index 229d028e..bcd5c4b8 100644
--- a/components/main-nav.tsx
+++ b/components/main-nav.tsx
@@ -244,7 +244,7 @@ export function MainNav() {
             </Link>
             <Link href='/mail' className='text-white/80 hover:text-white'>
               <Mail className='w-5 h-5' />
-              <span className="sr-only">Courriers</span>
+              <span className="sr-only">Courrier</span>
             </Link>
             <Link href='/ai-assistant' className='text-white/80 hover:text-white'>
               <Robot className='w-5 h-5' />
diff --git a/components/sidebar.tsx b/components/sidebar.tsx
index 96204495..760adcbd 100644
--- a/components/sidebar.tsx
+++ b/components/sidebar.tsx
@@ -75,10 +75,10 @@ export function Sidebar({ isOpen, onClose }: SidebarProps) {
       iframe: process.env.NEXT_PUBLIC_IFRAME_DIARY_URL,
     },
     {
-      title: "Courriers",
+      title: "Courrier",
       icon: Mail,
       href: "/mail",
-      iframe: process.env.NEXT_PUBLIC_IFRAME_MAIL_URL,
+      iframe: "https://lab.slm-lab.net/courrier",
     },
     {
       title: "Drive",