diff --git a/driver-sync/src/test/functional/com/mongodb/client/AbstractClientSideOperationsTimeoutProseTest.java b/driver-sync/src/test/functional/com/mongodb/client/AbstractClientSideOperationsTimeoutProseTest.java
index 3ef1cefa10..f88911cc7e 100644
--- a/driver-sync/src/test/functional/com/mongodb/client/AbstractClientSideOperationsTimeoutProseTest.java
+++ b/driver-sync/src/test/functional/com/mongodb/client/AbstractClientSideOperationsTimeoutProseTest.java
@@ -1053,7 +1053,7 @@ public void shouldUseConnectTimeoutMsWhenEstablishingConnectionInBackground() {
         }
 
         List<CommandFailedEvent> commandFailedEvents = commandListener.getCommandFailedEvents("isMaster");
-        assertEquals(1, commandFailedEvents.size());
+        assertFalse(commandFailedEvents.isEmpty());
         assertInstanceOf(MongoOperationTimeoutException.class, commandFailedEvents.get(0).getThrowable());
     }