diff --git a/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/junit/launcher/JUnitLaunchConfigurationDelegate.java b/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/junit/launcher/JUnitLaunchConfigurationDelegate.java
index 7cb0d65..c39939c 100644
--- a/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/junit/launcher/JUnitLaunchConfigurationDelegate.java
+++ b/org.eclipse.jdt.junit.core/src/org/eclipse/jdt/junit/launcher/JUnitLaunchConfigurationDelegate.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2016 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
@@ -431,7 +431,7 @@
 				url= bundle.getEntry(jar.getPluginRelativePath());
 			if (url == null)
 				throw new IOException();
-			return URIUtil.toFile(URIUtil.toURI(FileLocator.toFileURL(url))).getAbsolutePath();
+			return URIUtil.toFile(URIUtil.toURI(FileLocator.toFileURL(url))).getAbsolutePath(); // See bug 503050
 		}
 	}