diff --git a/main.go b/main.go
index c05b999..e69bf35 100644
--- a/main.go
+++ b/main.go
@@ -19,7 +19,7 @@ func main() {
 	}
 	_, err = conn.Write(p.Bytes())
 	failError(err, "conn.Write")
-	logInfoDebug("Authentication sent (%s)", string(p.Bytes()))
+	logInfoDebug("Authentication sent (%v)", p.Bytes())
 
 	// listen for reply
 	message, _ := bufio.NewReader(conn).ReadString('\n')