diff --git a/WEB-INF/src/controleur/Navigation.java b/WEB-INF/src/controleur/Navigation.java
index 488f0ad59ddcff1a39b022893bb39eb4601e78fa..0ac09ab6dec4a5bc5ade7261a926f9ea9185dcb9 100644
--- a/WEB-INF/src/controleur/Navigation.java
+++ b/WEB-INF/src/controleur/Navigation.java
@@ -16,7 +16,7 @@ public class Navigation extends HttpServlet{
         String vue;
 
         // vérification de l'authentification
-        if(req.getSession().getAttribute("username") == null){
+        if(req.getSession().getAttribute("username") == null && !page.equals("signin")){
             resp.sendRedirect("index.html");
         } else {
             switch (page){