diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/CRefactoring.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/CRefactoring.java
index a4f4c4c5fa5..03e0a041deb 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/CRefactoring.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/refactoring/CRefactoring.java
@@ -294,7 +294,9 @@ public abstract class CRefactoring extends Refactoring {
 		if (fIndex != null) {
 			fIndex.releaseReadLock();
 		}
-		fIndex= null;
+		// Marc-Andre Laperle : I don't think we want to null this out, 
+		// if the lock is acquired twice then the lock can only be released once
+		//fIndex= null;
 	}
 
 	public IIndex getIndex() {