=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/node/serializers/ExcelNodeSerializer.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/node/serializers/ExcelNodeSerializer.java	2014-12-16 17:00:41 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/node/serializers/ExcelNodeSerializer.java	2014-12-16 17:06:12 +0000
@@ -74,7 +74,7 @@
     protected void startSerialize( RootNode rootNode, OutputStream outputStream ) throws Exception
     {
         workbook = new XSSFWorkbook();
-        sheet = workbook.createSheet();
+        sheet = workbook.createSheet("Sheet1");
 
         XSSFFont boldFont = workbook.createFont();
         boldFont.setBold( true );