Index: src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java
===================================================================
--- src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java	(revision 680985)
+++ src/java/org/apache/poi/hssf/usermodel/HSSFSheet.java	(working copy)
@@ -420,7 +420,8 @@
        int size = 0;
        for (int k = 0; k < ptg.length; k++)
        {
-           if ( ptg[k] instanceof org.apache.poi.hssf.record.formula.AreaPtg )
+           if (( ptg[k] instanceof org.apache.poi.hssf.record.formula.AreaPtg ) ||
+				   ( ptg[k] instanceof org.apache.poi.hssf.record.formula.NamePtg ))
            {
               //we should set ptgClass to Ptg.CLASS_REF and explicit formula string to false
               ptg[k].setClass(Ptg.CLASS_REF);