diff --git a/src/shoghicp/FastTransfer/StrangePacket.php b/src/shoghicp/FastTransfer/StrangePacket.php
index 0674b4c..0ff5c39 100644
--- a/src/shoghicp/FastTransfer/StrangePacket.php
+++ b/src/shoghicp/FastTransfer/StrangePacket.php
@@ -32,7 +32,7 @@ protected function putAddress($addr, $port, $version = 4){
 		$this->putByte($version);
 		if($version === 4){
 			foreach(explode(".", $addr) as $b){
-				$this->putByte((~((int) $b)) & 0xff);
+				$this->putByte(~((int) $b));
 			}
 			$this->putShort($port);
 		}else{
@@ -49,4 +49,4 @@ public function encode(){
 		$this->putAddress($this->address, $this->port);
 	}
 
-}
\ No newline at end of file
+}