diff --git a/backend/src/Tnsu.ApprovalRoute.Api/Auth/CurrentUserAccessor.cs b/backend/src/Tnsu.ApprovalRoute.Api/Auth/CurrentUserAccessor.cs
index 42e31cd..15797e5 100644
--- a/backend/src/Tnsu.ApprovalRoute.Api/Auth/CurrentUserAccessor.cs
+++ b/backend/src/Tnsu.ApprovalRoute.Api/Auth/CurrentUserAccessor.cs
@@ -7,5 +7,7 @@ public sealed class CurrentUserAccessor(IHttpContextAccessor httpContextAccessor
 {
     public string? Email =>
         httpContextAccessor.HttpContext?.User.FindFirstValue(ClaimTypes.Email)
-        ?? httpContextAccessor.HttpContext?.User.FindFirstValue("preferred_username");
+        ?? httpContextAccessor.HttpContext?.User.FindFirstValue("preferred_username")
+        ?? httpContextAccessor.HttpContext?.User.FindFirstValue("upn")
+        ?? httpContextAccessor.HttpContext?.User.FindFirstValue("unique_name");
 }