diff --git a/lib/jsonrpc_io_client.dart b/lib/jsonrpc_io_client.dart
index 8b59e8c..908c5c6 100644
--- a/lib/jsonrpc_io_client.dart
+++ b/lib/jsonrpc_io_client.dart
@@ -47,7 +47,7 @@ class ServerProxy extends ServerProxyBase {
     String jsonContent = '';
     Completer c = new Completer();
 
-    response.transform(utf8.decoder).listen((dynamic contents) {
+    utf8.decoder.bind(response).listen((dynamic contents) {
       jsonContent += contents.toString();
     }, onDone: () {
       if (response.statusCode == 204 || jsonContent.isEmpty) {