diff --git a/knockr.go b/knockr.go
index 3c2c369..67c49e9 100644
--- a/knockr.go
+++ b/knockr.go
@@ -34,12 +34,8 @@ func listener(port int, listen_func func(c net.Conn)) {
 func whitelist_handler(c net.Conn) {
 	host, _, _ := net.SplitHostPort(c.RemoteAddr().String())
 
-	io.WriteString(c, "Knock Knock, ")
-	io.WriteString(c, host)
-	io.WriteString(c, ". ")
-
+	io.WriteString(c, fmt.Sprintf("Knock Knock, %s.", host))
 	add_to_whitelist(host)
-
 	c.Close()
 }