diff --git a/internal/rootcoord/proxy_client_manager.go b/internal/rootcoord/proxy_client_manager.go
index 75524bd773..def9cef686 100644
--- a/internal/rootcoord/proxy_client_manager.go
+++ b/internal/rootcoord/proxy_client_manager.go
@@ -73,7 +73,7 @@ func (p *proxyClientManager) AddProxyClient(session *sessionutil.Session) {
 		return
 	}
 
-	go p.connect(session)
+	p.connect(session)
 }
 
 // GetProxyNumber returns number of proxy clients.