1 files changed, 1 insertions, 1 deletions
diff --git a/fxbarcode/oned/BC_OnedEAN13Writer.h b/fxbarcode/oned/BC_OnedEAN13Writer.h
index c874610a64..3c7ff2eba3 100644
--- a/fxbarcode/oned/BC_OnedEAN13Writer.h
+++ b/fxbarcode/oned/BC_OnedEAN13Writer.h
@@ -14,7 +14,7 @@
 class CFX_DIBitmap;
 class CFX_RenderDevice;
 
-class CBC_OnedEAN13Writer : public CBC_OneDimWriter {
+class CBC_OnedEAN13Writer final : public CBC_OneDimWriter {
  public:
   CBC_OnedEAN13Writer();
   ~CBC_OnedEAN13Writer() override;