diff --git a/spring-messaging/src/test/java/org/springframework/messaging/simp/SimpMessagingTemplateTests.java b/spring-messaging/src/test/java/org/springframework/messaging/simp/SimpMessagingTemplateTests.java
index 8e2578bd23..4d2846ec25 100644
--- a/spring-messaging/src/test/java/org/springframework/messaging/simp/SimpMessagingTemplateTests.java
+++ b/spring-messaging/src/test/java/org/springframework/messaging/simp/SimpMessagingTemplateTests.java
@@ -74,7 +74,7 @@ public class SimpMessagingTemplateTests {
 
 	@Test
 	public void convertAndSendWithCustomHeader() {
-		Map<String, Object> headers = Collections.singletonMap("key", "value");
+		Map<String, Object> headers = Collections.<String, Object>singletonMap("key", "value");
 		this.messagingTemplate.convertAndSend("/foo", "data", headers);
 
 		List<Message<byte[]>> messages = this.messageChannel.getMessages();