diff --git a/internal/auth/auth.service.go b/internal/auth/auth.service.go
index 1f845fb..5838953 100644
--- a/internal/auth/auth.service.go
+++ b/internal/auth/auth.service.go
@@ -105,7 +105,7 @@ func (s *serviceImpl) VerifyGoogleLogin(_ context.Context, in *proto.VerifyGoogl
 	}
 
 	if !IsEmailChulaStudent(email) {
-		return nil, status.Error(codes.PermissionDenied, "Email is not a Chula student")
+		return nil, status.Error(codes.Unauthenticated, "Email is not a Chula student")
 	}
 
 	user, err := s.userSvc.FindByEmail(context.Background(), &userProto.FindByEmailRequest{Email: email})