diff --git a/bundles/org.eclipse.core.net/src/org/eclipse/core/internal/net/ProxyManager.java b/bundles/org.eclipse.core.net/src/org/eclipse/core/internal/net/ProxyManager.java
index de2e210..a9042f4 100644
--- a/bundles/org.eclipse.core.net/src/org/eclipse/core/internal/net/ProxyManager.java
+++ b/bundles/org.eclipse.core.net/src/org/eclipse/core/internal/net/ProxyManager.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2007, 2009 IBM Corporation and others.
+ * Copyright (c) 2007, 2010 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
@@ -163,6 +163,7 @@
 		}
 		IProxyData[] data = getProxyData();
 		IProxyChangeEvent event = new ProxyChangeEvent(IProxyChangeEvent.NONPROXIED_HOSTS_CHANGED, oldHosts, getNonProxiedHosts(), data, new IProxyData[0]);
+		updateSystemProperties();
 		fireChange(event);
 	}