diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/WebSocketFrameHandler.java b/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/WebSocketFrameHandler.java
index 96c75328..0063d3cc 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/WebSocketFrameHandler.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/WebSocketFrameHandler.java
@@ -8,6 +8,7 @@
 import io.netty.channel.SimpleChannelInboundHandler;
 import io.netty.channel.group.ChannelGroup;
 import io.netty.channel.group.DefaultChannelGroup;
+import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
 import io.netty.handler.codec.http.websocketx.WebSocketFrame;
 import io.netty.util.concurrent.GlobalEventExecutor;
 import ru.gravit.launchserver.LaunchServer;
@@ -38,10 +39,13 @@ public void channelActive(ChannelHandlerContext ctx) {
     @Override
     protected void channelRead0(ChannelHandlerContext ctx, WebSocketFrame frame) throws Exception {
         // ping and pong frames already handled
-        ByteBuf buf = frame.content();
-        ByteBufInputStream input = new ByteBufInputStream(buf);
-        Reader reader = new InputStreamReader(input, "UTF-8");
-        JsonResponse response = gson.fromJson(reader,JsonResponse.class);
-        response.execute(ctx,frame);
+        if (frame instanceof TextWebSocketFrame) {
+            String request = ((TextWebSocketFrame) frame).text();
+            JsonResponse response = gson.fromJson(request, JsonResponse.class);
+            response.execute(ctx, frame);
+        } else {
+            String message = "unsupported frame type: " + frame.getClass().getName();
+            throw new UnsupportedOperationException(message);
+        }
     }
 }
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/EchoResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/EchoResponse.java
index 50197c0e..0febaf64 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/EchoResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/EchoResponse.java
@@ -1,6 +1,7 @@
 package ru.gravit.launchserver.socket.websocket.json;
 
 import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
 import io.netty.handler.codec.http.websocketx.WebSocketFrame;
 import ru.gravit.launchserver.socket.websocket.WebSocketFrameHandler;
 import ru.gravit.utils.helper.LogHelper;
@@ -20,7 +21,7 @@ public String getType() {
     @Override
     public void execute(ChannelHandlerContext ctx, WebSocketFrame frame) {
         LogHelper.info("Echo: %s",echo);
-        ctx.channel().writeAndFlush(WebSocketFrameHandler.gson.toJson(new Result(echo)));
+        ctx.channel().writeAndFlush(new TextWebSocketFrame(WebSocketFrameHandler.gson.toJson(new Result(echo))));
     }
     public class Result
     {
diff --git a/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/auth/AuthResponse.java b/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/auth/AuthResponse.java
index 1a6e538c..3962d527 100644
--- a/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/auth/AuthResponse.java
+++ b/LaunchServer/src/main/java/ru/gravit/launchserver/socket/websocket/json/auth/AuthResponse.java
@@ -1,6 +1,7 @@
 package ru.gravit.launchserver.socket.websocket.json.auth;
 
 import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.codec.http.websocketx.TextWebSocketFrame;
 import io.netty.handler.codec.http.websocketx.WebSocketFrame;
 import ru.gravit.launcher.profiles.ClientProfile;
 import ru.gravit.launcher.serialize.signed.SignedObjectHolder;
@@ -67,7 +68,7 @@ public void execute(ChannelHandlerContext ctx, WebSocketFrame frame) throws Exce
             server.config.hwidHandler.check(hwid, result.username);
         } catch (AuthException | HWIDException e)
         {
-            ctx.channel().writeAndFlush(WebSocketFrameHandler.gson.toJson(new ErrorResult(e.getMessage())));
+            ctx.channel().writeAndFlush(new TextWebSocketFrame(WebSocketFrameHandler.gson.toJson(new ErrorResult(e.getMessage()))));
         }
     }
     public class ErrorResult