diff --git a/org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/contentassist/CUPositionCompletionProcessor.java b/org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/contentassist/CUPositionCompletionProcessor.java
index 89fe463..dc4f0de 100644
--- a/org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/contentassist/CUPositionCompletionProcessor.java
+++ b/org.eclipse.jdt.ui/ui refactoring/org/eclipse/jdt/internal/ui/refactoring/contentassist/CUPositionCompletionProcessor.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2011 IBM Corporation and others.
+ * Copyright (c) 2000, 2013 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
@@ -156,7 +156,7 @@
 	 * @see ISubjectControlContentAssistProcessor#computeCompletionProposals(IContentAssistSubjectControl, int)
 	 */
 	public ICompletionProposal[] computeCompletionProposals(IContentAssistSubjectControl contentAssistSubjectControl, int documentOffset) {
-		if (fCompletionContextRequestor.getOriginalCu() == null)
+		if (fCompletionContextRequestor == null || fCompletionContextRequestor.getOriginalCu() == null)
 			return null;
 		String input= contentAssistSubjectControl.getDocument().get();
 		if (documentOffset == 0)