1 files changed, 3 insertions, 3 deletions
diff --git a/rijndael.h b/rijndael.h
index 1c046db4..a1540481 100644
--- a/rijndael.h
+++ b/rijndael.h
@@ -17,7 +17,7 @@ struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 1
 /// <a href="http://www.weidai.com/scan-mirror/cs.html#Rijndael">Rijndael</a>
 class Rijndael : public Rijndael_Info, public BlockCipherDocumentation
 {
-	class Base : public BlockCipherBaseTemplate<Rijndael_Info>
+	class CRYPTOPP_NO_VTABLE Base : public BlockCipherBaseTemplate<Rijndael_Info>
 	{
 	public:
 		void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length);
@@ -41,13 +41,13 @@ class Rijndael : public Rijndael_Info, public BlockCipherDocumentation
 		SecBlock<word32> m_key;
 	};
 
-	class Enc : public Base
+	class CRYPTOPP_NO_VTABLE Enc : public Base
 	{
 	public:
 		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
 	};
 
-	class Dec : public Base
+	class CRYPTOPP_NO_VTABLE Dec : public Base
 	{
 	public:
 		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;