diff --git a/src/java/org/apache/poi/hssf/record/NameRecord.java b/src/java/org/apache/poi/hssf/record/NameRecord.java
index 5494362ae..a1b9adf43 100644
--- a/src/java/org/apache/poi/hssf/record/NameRecord.java
+++ b/src/java/org/apache/poi/hssf/record/NameRecord.java
@@ -924,7 +924,8 @@ public class NameRecord extends Record {
             .append("\n");
         buffer.append("    .Status bar text (Unicode string without length field)  = ").append( field_17_status_bar_text )
             .append("\n");
-        buffer.append(org.apache.poi.util.HexDump.dump(this.field_13_raw_name_definition,0,0));
+        if (field_13_raw_name_definition != null)
+            buffer.append(org.apache.poi.util.HexDump.dump(this.field_13_raw_name_definition,0,0));
         buffer.append("[/NAME]\n");
         
         return buffer.toString();
diff --git a/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java b/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
index 372058ebd..3a40962f0 100644
--- a/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
+++ b/src/java/org/apache/poi/hssf/usermodel/HSSFWorkbook.java
@@ -515,7 +515,7 @@ public class HSSFWorkbook
         }
         if ( nameRecord == null )
         {
-            nameRecord = workbook.createBuiltInName(NameRecord.BUILTIN_PRINT_TITLE, externSheetIndex+1);
+            nameRecord = workbook.createBuiltInName(NameRecord.BUILTIN_PRINT_TITLE, sheetIndex+1);
             //does a lot of the house keeping for builtin records, like setting lengths to zero etc
             isNewRecord = true;
         }
diff --git a/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java b/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
index 2f354c1be..493721190 100644
--- a/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
+++ b/src/testcases/org/apache/poi/hssf/usermodel/TestBugs.java
@@ -18,11 +18,7 @@
 
 package org.apache.poi.hssf.usermodel;
 
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
+import java.io.*;
 
 import junit.framework.TestCase;
 
@@ -458,6 +454,7 @@ extends TestCase {
 		assertEquals("Re-Written Formula String Cell value", d1.getStringCellValue(), rd2.getStringCellValue());
 
 	}
+
 }
 
 
diff --git a/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFWorkbook.java b/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFWorkbook.java
new file mode 100644
index 000000000..232916f8d
--- /dev/null
+++ b/src/testcases/org/apache/poi/hssf/usermodel/TestHSSFWorkbook.java
@@ -0,0 +1,21 @@
+package org.apache.poi.hssf.usermodel;
+
+import junit.framework.*;
+import org.apache.poi.hssf.record.NameRecord;
+
+public class TestHSSFWorkbook extends TestCase
+{
+    HSSFWorkbook hssfWorkbook;
+
+    public void testSetRepeatingRowsAndColumns() throws Exception
+    {
+        // Test bug 29747
+        HSSFWorkbook b = new HSSFWorkbook( );
+        b.createSheet();
+        b.createSheet();
+        b.createSheet();
+        b.setRepeatingRowsAndColumns( 2, 0,1,-1,-1 );
+        NameRecord nameRecord = b.getWorkbook().getNameRecord( 0 );
+        assertEquals( 3, nameRecord.getIndexToSheet() );
+    }
+}
\ No newline at end of file