diff --git a/sc/source/filter/xml/xmlexprt.cxx b/sc/source/filter/xml/xmlexprt.cxx
index 2f7c3fbe9f1a..e47a6ae70cbb 100644
--- a/sc/source/filter/xml/xmlexprt.cxx
+++ b/sc/source/filter/xml/xmlexprt.cxx
@@ -4434,7 +4434,7 @@ sal_uInt32 ScXMLExport::exportDoc( enum XMLTokenEnum eClass )
             if ( xModel.is() )
             {
                 uno::Reference< lang::XUnoTunnel >  xObjShellTunnel( xModel, uno::UNO_QUERY );
-                SfxObjectShell* pFoundShell = reinterpret_cast<SfxObjectShell*>( xObjShellTunnel.is() ? xObjShellTunnel->getSomething(SfxObjectShell::getUnoTunnelId()) : NULL );
+                SfxObjectShell* pFoundShell = reinterpret_cast<SfxObjectShell*>( xObjShellTunnel.is() ? xObjShellTunnel->getSomething(SfxObjectShell::getUnoTunnelId()) : 0 );
                 if ( pFoundShell && ooo::vba::isAlienExcelDoc( *pFoundShell ) )
                 {
                     xRowStylesPropertySetMapper = new XMLPropertySetMapper((XMLPropertyMapEntry*)aXMLScFromXLSRowStylesProperties, xScPropHdlFactory);