diff --git a/testsuite/src/test/java/io/netty/testsuite/transport/socket/SocketSpdyEchoTest.java b/testsuite/src/test/java/io/netty/testsuite/transport/socket/SocketSpdyEchoTest.java
index ec023ba21b..42df12e186 100644
--- a/testsuite/src/test/java/io/netty/testsuite/transport/socket/SocketSpdyEchoTest.java
+++ b/testsuite/src/test/java/io/netty/testsuite/transport/socket/SocketSpdyEchoTest.java
@@ -180,7 +180,7 @@ public class SocketSpdyEchoTest extends AbstractSocketTest {
         ByteBuf frames = createFrames(version);
 
         final SpdyEchoTestServerHandler sh = new SpdyEchoTestServerHandler();
-        final SpdyEchoTestClientHandler ch = new SpdyEchoTestClientHandler(frames);
+        final SpdyEchoTestClientHandler ch = new SpdyEchoTestClientHandler(frames.copy());
 
         sb.childHandler(new ChannelInitializer<SocketChannel>() {
             @Override