diff --git a/xmloff/source/chart/SchXMLExport.cxx b/xmloff/source/chart/SchXMLExport.cxx
index 0243a79e4434..b1c58a0458a8 100644
--- a/xmloff/source/chart/SchXMLExport.cxx
+++ b/xmloff/source/chart/SchXMLExport.cxx
@@ -426,7 +426,7 @@ Reference< chart2::data::XDataSource > lcl_pressUsedDataIntoRectangularFormat( c
         aLabeledSeqVector.push_back( xXValues );
 
     //add all other sequences now without x-values
-    lcl_MatchesRole aHasXValues( OUString( "values-x" ) );
+    lcl_MatchesRole aHasXValues( "values-x" );
     for( sal_Int32 nN=0; nN<aSeriesSeqVector.getLength(); nN++ )
     {
         if( !aHasXValues( aSeriesSeqVector[nN] ) )