1 files changed, 3 insertions, 2 deletions
diff --git a/src/pubkey/ecdh/ecdh.h b/src/pubkey/ecdh/ecdh.h
index ad7efdc13..92796d961 100644
--- a/src/pubkey/ecdh/ecdh.h
+++ b/src/pubkey/ecdh/ecdh.h
@@ -107,8 +107,9 @@ class BOTAN_DLL ECDH_KA_Operation : public PK_Ops::KA_Operation
 
       SecureVector<byte> agree(const byte w[], u32bit w_len) const;
    private:
-      CurveGFp curve;
-      BigInt l_times_priv, cofactor;
+      const CurveGFp& curve;
+      const BigInt& cofactor;
+      BigInt l_times_priv;
    };
 
 }