diff --git a/internal/transport/grpc/grpc.go b/internal/transport/grpc/grpc.go
index 796ed34..9d49b2d 100644
--- a/internal/transport/grpc/grpc.go
+++ b/internal/transport/grpc/grpc.go
@@ -70,8 +70,11 @@ func (s *authDBServer) Registration(ctx context.Context, req *api.RegistrationRe
 	defer s.mu.Unlock()
 
 	//
-	if _, ok := s.users[req.GetLogin()]; ok {
-		return nil, errors.New("login already registered")
+	if val, ok := s.users[req.GetLogin()]; ok {
+		return &api.RegistrationResponse{
+			Code:  val.Code,
+			Email: val.Email,
+		}, errors.New("login already registered")
 	}
 
 	//