1 files changed, 2 insertions, 2 deletions
diff --git a/chart2/source/controller/inc/GraphicPropertyItemConverter.hxx b/chart2/source/controller/inc/GraphicPropertyItemConverter.hxx
index 6b0376033d7a..9d119d53ca3a 100644
--- a/chart2/source/controller/inc/GraphicPropertyItemConverter.hxx
+++ b/chart2/source/controller/inc/GraphicPropertyItemConverter.hxx
@@ -35,14 +35,14 @@ enum class GraphicObjectType
     LineAndFillProperties
 };
 
-class GraphicPropertyItemConverter : public ItemConverter
+class GraphicPropertyItemConverter final : public ItemConverter
 {
 public:
     GraphicPropertyItemConverter(
         const css::uno::Reference< css::beans::XPropertySet > & rPropertySet,
         SfxItemPool& rItemPool,
         SdrModel& rDrawModel,
-        const css::uno::Reference< css::lang::XMultiServiceFactory > & xNamedPropertyContainerFactory,
+        css::uno::Reference< css::lang::XMultiServiceFactory > xNamedPropertyContainerFactory,
         GraphicObjectType eObjectType );
     virtual ~GraphicPropertyItemConverter() override;