diff --git a/src/test/java/org/java_websocket/issues/Issue256Test.java b/src/test/java/org/java_websocket/issues/Issue256Test.java
index f0556a765..29cae69ef 100644
--- a/src/test/java/org/java_websocket/issues/Issue256Test.java
+++ b/src/test/java/org/java_websocket/issues/Issue256Test.java
@@ -96,6 +96,7 @@ public void onStart() {
 		};
 		ws.setConnectionLostTimeout( 0 );
 		ws.start();
+		countServerDownLatch.await();
 	}
 
 	private void runTestScenarioReconnect( boolean closeBlocking ) throws Exception {