Index: source/core/data/cell.cxx
===================================================================
--- source/core/data/cell.cxx	(revision 1403197)
+++ source/core/data/cell.cxx	(working copy)
@@ -746,9 +746,13 @@
 	bInChangeTrack( sal_False ),
 	bTableOpDirty( sal_False ),
 	bNeedListening( sal_False ),
-	pValidRefToken( rCell.pValidRefToken ),
 	aPos( rPos )
 {
+    if ( rCell.pValidRefToken )
+        pValidRefToken = static_cast<ScToken*>(rCell.pValidRefToken->Clone());
+    else
+        pValidRefToken = NULL;
+
 	pCode = (rCell.pCode) ? rCell.pCode->Clone() : NULL;
 
     if ( nCloneFlags & SC_CLONECELL_ADJUST3DREL )