diff --git a/libethcore/Ethasher.h b/libethcore/Ethasher.h
index cfe0d1c82..469bbd723 100644
--- a/libethcore/Ethasher.h
+++ b/libethcore/Ethasher.h
@@ -29,6 +29,33 @@
 #include <libdevcore/Guards.h>
 #include <libdevcrypto/SHA3.h>
 #include <libethash/ethash.h>		// TODO: REMOVE once everything merged into this class and an opaque API can be provided.
+#define ETHASH_REVISION REVISION
+#define ETHASH_DATASET_BYTES_INIT DATASET_BYTES_INIT
+#define ETHASH_DATASET_BYTES_GROWTH DATASET_BYTES_GROWTH
+#define ETHASH_CACHE_BYTES_INIT CACHE_BYTES_INIT
+#define ETHASH_CACHE_BYTES_GROWTH CACHE_BYTES_GROWTH
+#define ETHASH_DAGSIZE_BYTES_INIT DAGSIZE_BYTES_INIT
+#define ETHASH_DAG_GROWTH DAG_GROWTH
+#define ETHASH_EPOCH_LENGTH EPOCH_LENGTH
+#define ETHASH_MIX_BYTES MIX_BYTES
+#define ETHASH_HASH_BYTES HASH_BYTES
+#define ETHASH_DATASET_PARENTS DATASET_PARENTS
+#define ETHASH_CACHE_ROUNDS CACHE_ROUNDS
+#define ETHASH_ACCESSES ACCESSES
+#undef REVISION
+#undef DATASET_BYTES_INIT
+#undef DATASET_BYTES_GROWTH
+#undef CACHE_BYTES_INIT
+#undef CACHE_BYTES_GROWTH
+#undef DAGSIZE_BYTES_INIT
+#undef DAG_GROWTH
+#undef EPOCH_LENGTH
+#undef MIX_BYTES
+#undef HASH_BYTES
+#undef DATASET_PARENTS
+#undef CACHE_ROUNDS
+#undef ACCESSES
+
 #include "Common.h"
 #include "BlockInfo.h"
 
diff --git a/libethcore/ProofOfWork.cpp b/libethcore/ProofOfWork.cpp
index 3cbfb4905..1c2c4a023 100644
--- a/libethcore/ProofOfWork.cpp
+++ b/libethcore/ProofOfWork.cpp
@@ -32,6 +32,32 @@
 #include <libdevcore/Common.h>
 #if ETH_ETHASHCL
 #include <libethash-cl/ethash_cl_miner.h>
+#define ETHASH_REVISION REVISION
+#define ETHASH_DATASET_BYTES_INIT DATASET_BYTES_INIT
+#define ETHASH_DATASET_BYTES_GROWTH DATASET_BYTES_GROWTH
+#define ETHASH_CACHE_BYTES_INIT CACHE_BYTES_INIT
+#define ETHASH_CACHE_BYTES_GROWTH CACHE_BYTES_GROWTH
+#define ETHASH_DAGSIZE_BYTES_INIT DAGSIZE_BYTES_INIT
+#define ETHASH_DAG_GROWTH DAG_GROWTH
+#define ETHASH_EPOCH_LENGTH EPOCH_LENGTH
+#define ETHASH_MIX_BYTES MIX_BYTES
+#define ETHASH_HASH_BYTES HASH_BYTES
+#define ETHASH_DATASET_PARENTS DATASET_PARENTS
+#define ETHASH_CACHE_ROUNDS CACHE_ROUNDS
+#define ETHASH_ACCESSES ACCESSES
+#undef REVISION
+#undef DATASET_BYTES_INIT
+#undef DATASET_BYTES_GROWTH
+#undef CACHE_BYTES_INIT
+#undef CACHE_BYTES_GROWTH
+#undef DAGSIZE_BYTES_INIT
+#undef DAG_GROWTH
+#undef EPOCH_LENGTH
+#undef MIX_BYTES
+#undef HASH_BYTES
+#undef DATASET_PARENTS
+#undef CACHE_ROUNDS
+#undef ACCESSES
 #endif
 #include "BlockInfo.h"
 #include "Ethasher.h"