diff --git a/xfa/fxbarcode/datamatrix/BC_SymbolInfo.h b/xfa/fxbarcode/datamatrix/BC_SymbolInfo.h
index 64270dd..96196da 100644
--- a/xfa/fxbarcode/datamatrix/BC_SymbolInfo.h
+++ b/xfa/fxbarcode/datamatrix/BC_SymbolInfo.h
@@ -21,7 +21,8 @@
                  int32_t matrixWidth,
                  int32_t matrixHeight,
                  int32_t dataRegions);
-  virtual ~CBC_SymbolInfo();
+  ~CBC_SymbolInfo() override;
+
   static void Initialize();
   static void Finalize();
   static void overrideSymbolSet(CBC_SymbolInfo* override);