diff --git a/reactor-netty-http/src/test/java/reactor/netty/channel/ChannelOperationsHandlerTest.java b/reactor-netty-http/src/test/java/reactor/netty/channel/ChannelOperationsHandlerTest.java
index 4dc4865cb7..85f44f6ad4 100644
--- a/reactor-netty-http/src/test/java/reactor/netty/channel/ChannelOperationsHandlerTest.java
+++ b/reactor-netty-http/src/test/java/reactor/netty/channel/ChannelOperationsHandlerTest.java
@@ -70,11 +70,12 @@ void publisherSenderOnCompleteFlushInProgress_4() {
 		doTestPublisherSenderOnCompleteFlushInProgress(true, new WriteTimeoutHandler(1));
 	}
 
+	@SuppressWarnings("deprecation")
 	private void doTestPublisherSenderOnCompleteFlushInProgress(boolean useScheduler, @Nullable ChannelHandler handler) {
 		AtomicInteger counter = new AtomicInteger();
 		disposableServer =
 				createServer()
-				          .doOnConnection(conn -> conn.addHandlerLast(new LineBasedFrameDecoder(10)))
+				          .doOnConnection(conn -> conn.addHandler(new LineBasedFrameDecoder(10)))
 				          .handle((req, res) ->
 				                  req.receive()
 				                     .asString()