diff --git a/bignum.hpp b/bignum.hpp
index ffa01ae..c28aee4 100644
--- a/bignum.hpp
+++ b/bignum.hpp
@@ -5,7 +5,9 @@
 #ifndef BITCOIN_BIGNUM_H
 #define BITCOIN_BIGNUM_H
 
-#define PROTOCOL_VERSION 1
+#ifndef PROTOCOL_VERSION
+#define PROTOCOL_VERSION 70001
+#endif
 
 #include <map>
 #include <limits>
@@ -13,6 +15,8 @@
 #include <stdexcept>
 #include <vector>
 
+#include "uint256.h"
+
 #include <openssl/bn.h>
 
 #include "serialize.hpp"
diff --git a/fuguecoin.cpp b/fuguecoin.cpp
index d2f8dd9..77ef653 100644
--- a/fuguecoin.cpp
+++ b/fuguecoin.cpp
@@ -2,7 +2,6 @@
 #include <stdint.h>
 #include <cuda_runtime.h>
 
-#include "uint256.h"
 #include "sph/sph_fugue.h"
 
 #include "miner.h"
diff --git a/groestlcoin.cpp b/groestlcoin.cpp
index 6956102..bf39c8f 100644
--- a/groestlcoin.cpp
+++ b/groestlcoin.cpp
@@ -3,7 +3,6 @@
 #include <cuda_runtime.h>
 #include <openssl/sha.h>
 
-#include "uint256.h"
 #include "sph/sph_groestl.h"
 #include "cuda_groestlcoin.h"
 
diff --git a/myriadgroestl.cpp b/myriadgroestl.cpp
index 4186334..13b85f4 100644
--- a/myriadgroestl.cpp
+++ b/myriadgroestl.cpp
@@ -3,7 +3,6 @@
 #include <cuda_runtime.h>
 #include <openssl/sha.h>
 
-#include "uint256.h"
 #include "sph/sph_groestl.h"
 
 #include "miner.h"