diff --git a/ecp.cpp b/ecp.cpp
index 8c821304..c718a527 100644
--- a/ecp.cpp
+++ b/ecp.cpp
@@ -89,7 +89,7 @@ bool ECP::DecodePoint(ECP::Point &P, BufferedTransformation &bt, size_t encodedP
 		Integer p = FieldSize();
 
 		P.identity = false;
-		P.x.Decode(bt, GetField().MaxElementByteLength()); 
+		P.x.Decode(bt, GetField().MaxElementByteLength());
 		P.y = ((P.x*P.x+m_a)*P.x+m_b) % p;
 
 		if (Jacobi(P.y, p) !=1)
@@ -298,8 +298,8 @@ struct ProjectivePoint
 class ProjectiveDoubling
 {
 public:
-	ProjectiveDoubling(const ModularArithmetic &mr, const Integer &m_a, const Integer &m_b, const ECPPoint &Q)
-		: mr(mr), firstDoubling(true), negated(false)
+	ProjectiveDoubling(const ModularArithmetic &m_mr, const Integer &m_a, const Integer &m_b, const ECPPoint &Q)
+		: mr(m_mr), firstDoubling(true), negated(false)
 	{
 		CRYPTOPP_UNUSED(m_b);
 		if (Q.identity)