diff --git a/spring-integration-core/src/test/java/org/springframework/integration/aggregator/scenarios/AggregatorWithCustomReleaseStrategyTests.java b/spring-integration-core/src/test/java/org/springframework/integration/aggregator/scenarios/AggregatorWithCustomReleaseStrategyTests.java
index 25f1b246cd..d55da9885f 100644
--- a/spring-integration-core/src/test/java/org/springframework/integration/aggregator/scenarios/AggregatorWithCustomReleaseStrategyTests.java
+++ b/spring-integration-core/src/test/java/org/springframework/integration/aggregator/scenarios/AggregatorWithCustomReleaseStrategyTests.java
@@ -12,6 +12,9 @@
  */
 package org.springframework.integration.aggregator.scenarios;
 
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
 import org.junit.Test;
 
 import org.springframework.context.ApplicationContext;
@@ -22,6 +25,7 @@ import org.springframework.integration.channel.QueueChannel;
 import org.springframework.integration.support.MessageBuilder;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
 
 /**
  * @author Oleg Zhurakousky
@@ -36,10 +40,13 @@ public class AggregatorWithCustomReleaseStrategyTests {
 		final MessageChannel inputChannel = context.getBean("in", MessageChannel.class);
 		QueueChannel resultChannel = context.getBean("resultChannel", QueueChannel.class);
 
+		final CountDownLatch latch = new CountDownLatch(2);
+
 		new Thread(new Runnable() {
 			public void run() {
 				inputChannel.send(MessageBuilder.withPayload(new Integer[]{1, 2, 3, 4, 5, 6, 7, 8}).
 						setHeader("correlation", "foo").build());
+				latch.countDown();
 			}
 		}).start();
 
@@ -47,9 +54,11 @@ public class AggregatorWithCustomReleaseStrategyTests {
 			public void run() {
 				inputChannel.send(MessageBuilder.withPayload(new Integer[]{10, 20, 30, 40, 50, 60, 70, 80}).
 						setHeader("correlation", "foo").build());
+				latch.countDown();
 			}
 		}).start();
 
+		assertTrue("Sends failed to complete", latch.await(10, TimeUnit.SECONDS));
 
 		Message<?> message = resultChannel.receive(1000);
 		int counter = 0;