diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java
index 3afced8097a..6dcfb8357b9 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/BaseCElementContentProvider.java
@@ -46,6 +46,7 @@ import org.eclipse.cdt.core.model.ISourceRoot;
 import org.eclipse.cdt.core.model.ITranslationUnit;
 import org.eclipse.cdt.core.model.IWorkingCopy;
 import org.eclipse.cdt.ui.CElementGrouping;
+import org.eclipse.cdt.ui.CUIPlugin;
 import org.eclipse.cdt.ui.IncludesGrouping;
 import org.eclipse.cdt.ui.NamespacesGrouping;
  
@@ -207,7 +208,7 @@ public class BaseCElementContentProvider implements ITreeContentProvider {
 						// if it is not already a working copy
 						if (!(element instanceof IWorkingCopy)){
 							// if it has a valid working copy
-							IWorkingCopy copy = tu.findSharedWorkingCopy();
+							IWorkingCopy copy = tu.findSharedWorkingCopy(CUIPlugin.getDefault().getBufferFactory());
 							if (copy != null) {
 								tu = copy;
 							}