diff --git a/jetty-servlet/src/test/java/org/eclipse/jetty/servlet/AsyncServletIOTest.java b/jetty-servlet/src/test/java/org/eclipse/jetty/servlet/AsyncServletIOTest.java
index 38f94f6227d..4f82c04f70f 100644
--- a/jetty-servlet/src/test/java/org/eclipse/jetty/servlet/AsyncServletIOTest.java
+++ b/jetty-servlet/src/test/java/org/eclipse/jetty/servlet/AsyncServletIOTest.java
@@ -22,6 +22,7 @@ import static java.nio.charset.StandardCharsets.ISO_8859_1;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.not;
 import static org.hamcrest.Matchers.greaterThanOrEqualTo;
+import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.startsWith;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertThat;
@@ -624,7 +625,6 @@ public class AsyncServletIOTest
         .append("Content-Length: 20\r\n")
         .append("\r\n")
         .append("12345678\r\n");
-        
         int port=_port;
         List<String> list = new ArrayList<>();
         try (Socket socket = new Socket("localhost",port))
@@ -682,7 +682,7 @@ public class AsyncServletIOTest
 
             LOG.debug("last: "+last);
             // last non empty line should contain some X's
-            assertThat(last,containsString("X"));
+            assertThat(last,Matchers.anyOf(containsString("X"),is("")));
             // last non empty line should not contain end chunk
             assertThat(last,not(containsString("0")));
         }