diff --git a/main.go b/main.go
index 0f3f780..b8729f4 100644
--- a/main.go
+++ b/main.go
@@ -25,7 +25,9 @@ func init() {
 
 func main() {
 	registry := cRPC.NewRegistry()
-	registry.RegisterService(new(rpc.DiscoveryService), "")
+	if err := registry.RegisterService(new(rpc.DiscoveryService), ""); nil != err {
+		panic(err)
+	}
 
 	s := server.New(*sockFile, registry)