diff --git a/test/Microsoft.AspNetCore.WebSockets.ConformanceTest/AutobahnTests.cs b/test/Microsoft.AspNetCore.WebSockets.ConformanceTest/AutobahnTests.cs
index 58a38afc68..88ae8f0055 100644
--- a/test/Microsoft.AspNetCore.WebSockets.ConformanceTest/AutobahnTests.cs
+++ b/test/Microsoft.AspNetCore.WebSockets.ConformanceTest/AutobahnTests.cs
@@ -65,7 +65,8 @@ namespace Microsoft.AspNetCore.WebSockets.ConformanceTest
                                 .OkOrNonStrict("3.2", "3.3", "3.4", "4.1.3", "4.1.4", "4.1.5", "4.2.3", "4.2.4", "4.2.5", "5.15")); // These occasionally get non-strict results
                         }
 
-                        await tester.DeployTestAndAddToSpec(ServerType.WebListener, ssl: false, environment: "ManagedSockets");
+                        await tester.DeployTestAndAddToSpec(ServerType.WebListener, ssl: false, environment: "ManagedSockets", expectationConfig: expect => expect
+                            .OkOrNonStrict("4.2.4"));
                     }
                 }