diff --git a/middleware.js b/middleware.js
index 028db57..5532ebf 100644
--- a/middleware.js
+++ b/middleware.js
@@ -9,7 +9,8 @@ const ownerRoutes = ["/owner", "/owner/account-book", "/owner/bookings", "/owner
 function getRolesFromToken(token) {
   if (!token) return [];
   try {
-    const base64 = token.split(".")[1].replace(/-/g, "+").replace(/_/g, "/");
+    let base64 = token.split(".")[1].replace(/-/g, "+").replace(/_/g, "/");
+    while (base64.length % 4 !== 0) base64 += "=";
     const payload = JSON.parse(atob(base64));
     const roles = payload["http://schemas.microsoft.com/ws/2008/06/identity/claims/role"];
     if (Array.isArray(roles)) return roles;