7a171c
@@ -142,7 +142,7 @@
class Netty4ClientHttpRequest extends AbstractAsyncClientHttpRequest implements
 		FullHttpRequest nettyRequest = new DefaultFullHttpRequest(
 				HttpVersion.HTTP_1_1, nettyMethod, path, this.body.buffer());
 
-		nettyRequest.headers().set(HttpHeaders.HOST, this.uri.getHost());
+		nettyRequest.headers().set(HttpHeaders.HOST, this.uri.getHost() + ":" + getPort(uri));
 		nettyRequest.headers().set(HttpHeaders.CONNECTION, "close");
 		for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
 			nettyRequest.headers().add(entry.getKey(), entry.getValue());
