diff --git a/mars.cpp b/mars.cpp
index aa7693e6..af7e12fd 100644
--- a/mars.cpp
+++ b/mars.cpp
@@ -58,7 +58,7 @@ void MARS::Enc::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, by
 	unsigned int i;
 	word32 a, b, c, d, l, m, r, t;
 	const word32 *k = m_k;
-	
+
 	Block::Get(inBlock)(a)(b)(c)(d);
 
 	a += k[0];	b += k[1];	c += k[2];	d += k[3];
@@ -109,7 +109,7 @@ void MARS::Dec::ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, by
 	const word32 *k = m_k;
 
 	Block::Get(inBlock)(d)(c)(b)(a);
-	
+
 	d += k[36];	c += k[37];	b += k[38];	a += k[39];
 
 	for (i=0; i<8; i++)
diff --git a/mars.h b/mars.h
index 3a59c1e8..b8b4e2c3 100644
--- a/mars.h
+++ b/mars.h
@@ -13,7 +13,7 @@ NAMESPACE_BEGIN(CryptoPP)
 
 //! \class MARS_Info
 //! \brief MARS block cipher information
-struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 4>
+struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
 {
 	static const char *StaticAlgorithmName() {return "MARS";}
 };