1 files changed, 2 insertions, 2 deletions
diff --git a/src/block/mars/mars.h b/src/block/mars/mars.h
index 7a53d116b..5ca05f886 100644
--- a/src/block/mars/mars.h
+++ b/src/block/mars/mars.h
@@ -15,7 +15,7 @@ namespace Botan {
 /**
 * MARS, IBM's candidate for AES
 */
-class BOTAN_DLL MARS : public BlockCipher_Fixed_Block_Size<16>
+class BOTAN_DLL MARS : public Block_Cipher_Fixed_Params<16, 16, 32, 4>
    {
    public:
       void encrypt_n(const byte in[], byte out[], size_t blocks) const;
@@ -25,7 +25,7 @@ class BOTAN_DLL MARS : public BlockCipher_Fixed_Block_Size<16>
       std::string name() const { return "MARS"; }
       BlockCipher* clone() const { return new MARS; }
 
-      MARS() : BlockCipher_Fixed_Block_Size(16, 32, 4), EK(40) {}
+      MARS() : EK(40) {}
    private:
       void key_schedule(const byte[], size_t);