diff --git a/internal/client.go b/internal/client.go
index 35a88a4e..ce0abdea 100644
--- a/internal/client.go
+++ b/internal/client.go
@@ -119,7 +119,7 @@ type ClientOptions struct {
 
 func (opt *ClientOptions) ChangeInstanceNameToPID() {
 	if opt.InstanceName == "DEFAULT" {
-		opt.InstanceName = strconv.Itoa(os.Getpid())
+		opt.InstanceName = fmt.Sprintf("%d#%d", os.Getpid(), time.Now().Nanosecond())
 	}
 }