diff --git a/spring-websocket/src/main/java/org/springframework/web/socket/sockjs/support/AbstractSockJsService.java b/spring-websocket/src/main/java/org/springframework/web/socket/sockjs/support/AbstractSockJsService.java
index 0cda2d6e6ade..a0a9ee1c1c17 100644
--- a/spring-websocket/src/main/java/org/springframework/web/socket/sockjs/support/AbstractSockJsService.java
+++ b/spring-websocket/src/main/java/org/springframework/web/socket/sockjs/support/AbstractSockJsService.java
@@ -620,6 +620,7 @@ private class IframeHandler implements SockJsRequestHandler {
 				<head>
 					<meta http-equiv="X-UA-Compatible" content="IE=edge" />
 					<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
+					<title>SocketJS iframe</title>
 					<script>
 						document.domain = document.domain;
 						_sockjs_onload = function(){SockJS.bootstrap_iframe();};
