diff --git a/codec-http2/src/test/java/io/netty/handler/codec/http2/InboundHttp2ToHttpAdapterTest.java b/codec-http2/src/test/java/io/netty/handler/codec/http2/InboundHttp2ToHttpAdapterTest.java
index 7c88252492..af505517f6 100644
--- a/codec-http2/src/test/java/io/netty/handler/codec/http2/InboundHttp2ToHttpAdapterTest.java
+++ b/codec-http2/src/test/java/io/netty/handler/codec/http2/InboundHttp2ToHttpAdapterTest.java
@@ -699,7 +699,7 @@ public class InboundHttp2ToHttpAdapterTest {
 
     private final class HttpResponseDelegator extends SimpleChannelInboundHandler<HttpObject> {
         private final HttpResponseListener listener;
-        private CountDownLatch latch;
+        private volatile CountDownLatch latch;
 
         public HttpResponseDelegator(HttpResponseListener listener, CountDownLatch latch) {
             super(false);