diff --git a/dtu/conn.go b/dtu/conn.go
index c48772f1faee3f914880cb60e256bf0de0f6974a..e30918b20ccc786bd6682681bba7587b3590a006 100644
--- a/dtu/conn.go
+++ b/dtu/conn.go
@@ -16,7 +16,7 @@ type Connection struct {
 	Error      string
 	Serial     string
 	RemoteAddr net.Addr
-	
+
 	Rx int
 	Tx int