diff --git a/codec-http/src/test/java/io/netty/handler/codec/http/HttpResponseDecoderTest.java b/codec-http/src/test/java/io/netty/handler/codec/http/HttpResponseDecoderTest.java
index 6ab13c2fee..5706b06a34 100644
--- a/codec-http/src/test/java/io/netty/handler/codec/http/HttpResponseDecoderTest.java
+++ b/codec-http/src/test/java/io/netty/handler/codec/http/HttpResponseDecoderTest.java
@@ -542,7 +542,7 @@ public class HttpResponseDecoderTest {
         assertThat(ch.finish(), is(true));
 
         ByteBuf expected = Unpooled.wrappedBuffer(otherData);
-        ByteBuf buffer = ch.readInbound();
+        ByteBuf buffer = (ByteBuf) ch.readInbound();
         try {
             assertEquals(expected, buffer);
         } finally {