diff --git a/registry/mdns_test.go b/registry/mdns_test.go
index 0a643428..9656d2dc 100644
--- a/registry/mdns_test.go
+++ b/registry/mdns_test.go
@@ -1,6 +1,7 @@
 package registry
 
 import (
+	"os"
 	"testing"
 	"time"
 )