diff --git a/bundles/org.eclipse.core.resources/src/org/eclipse/core/resources/IResourceChangeListener.java b/bundles/org.eclipse.core.resources/src/org/eclipse/core/resources/IResourceChangeListener.java
index f441aa5..bfdbbf5 100644
--- a/bundles/org.eclipse.core.resources/src/org/eclipse/core/resources/IResourceChangeListener.java
+++ b/bundles/org.eclipse.core.resources/src/org/eclipse/core/resources/IResourceChangeListener.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- *  Copyright (c) 2000, 2009 IBM Corporation and others.
+ *  Copyright (c) 2000, 2017 IBM Corporation and others.
  *  All rights reserved. This program and the accompanying materials
  *  are made available under the terms of the Eclipse Public License v1.0
  *  which accompanies this distribution, and is available at
@@ -7,6 +7,7 @@
  *
  *  Contributors:
  *     IBM Corporation - initial API and implementation
+ *     Lars Vogel <Lars.Vogel@vogella.com> - Bug 527657
  *******************************************************************************/
 package org.eclipse.core.resources;
 
@@ -23,6 +24,8 @@
  * @see IResourceDelta
  * @see IWorkspace#addResourceChangeListener(IResourceChangeListener, int)
  */
+
+@FunctionalInterface
 public interface IResourceChangeListener extends EventListener {
 	/**
 	 * Notifies this listener that some resource changes