diff --git a/consul/discovery.go b/consul/discovery.go
index c2dedc4..466ff18 100644
--- a/consul/discovery.go
+++ b/consul/discovery.go
@@ -54,7 +54,7 @@ func newClientConfig(serverAddr string) *consul.Config {
 }
 
 func (s *Service) GetID() string {
-	return fmt.Sprintf("%s_%s", s.Name, s.appID)
+	return fmt.Sprintf("%s:%s", s.Name, s.appID)
 }
 
 func (s *Service) GetFullAddr() string {