diff --git a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/Include.java b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/Include.java
index b2c989452c9..a5fbefd7cb6 100644
--- a/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/Include.java
+++ b/core/org.eclipse.cdt.core/model/org/eclipse/cdt/internal/core/model/Include.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2007 QNX Software Systems and others.
+ * Copyright (c) 2000, 2008 QNX Software Systems 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
@@ -104,9 +104,11 @@ public class Include extends SourceManipulation implements IInclude {
 	}
 	
 	public static boolean equals(IInclude lhs, IInclude rhs) {
-		return CElement.equals(lhs, rhs) && 
-			lhs.isActive() == rhs.isActive() &&
-			lhs.isResolved() == rhs.isResolved() &&
-			lhs.isLocal() == rhs.isLocal();
+		return CElement.equals(lhs, rhs)
+			&& lhs.isActive() == rhs.isActive() 
+			&& lhs.isResolved() == rhs.isResolved()
+			&& lhs.isLocal() == rhs.isLocal()
+			&& (lhs.getFullFileName() == rhs.getFullFileName() 
+					|| lhs.getFullFileName() != null && lhs.getFullFileName().equals(rhs.getFullFileName()));
 	}
 }