diff --git a/grpc.go b/grpc.go
index 1123fba..4dbc68e 100644
--- a/grpc.go
+++ b/grpc.go
@@ -576,8 +576,12 @@ func (g *grpcServer) Register() error {
 		var regErr error
 
 		for i := 0; i < 3; i++ {
-			// set the ttl
-			rOpts := []registry.RegisterOption{registry.RegisterTTL(config.RegisterTTL)}
+			// set the ttl and namespace
+			rOpts := []registry.RegisterOption{
+				registry.RegisterTTL(config.RegisterTTL),
+				registry.RegisterDomain(g.opts.Namespace),
+			}
+
 			// attempt to register
 			if err := config.Registry.Register(service, rOpts...); err != nil {
 				// set the error