diff --git a/ethash.h b/ethash.h
index bcbe2d7ef..63e58612c 100644
--- a/ethash.h
+++ b/ethash.h
@@ -27,13 +27,13 @@
 #include "compiler.h"
 
 #define REVISION 20
-#define DAGSIZE_BYTES_INIT 1073741824U // 2**30
-#define DAG_GROWTH 8388608U            // 2**23
+#define DATASET_BYTES_INIT 1073741824U // 2**30
+#define DATASET_BYTES_GROWTH 8388608U  // 2**23
 #define CACHE_MULTIPLIER 1024
 #define EPOCH_LENGTH 30000U
 #define MIX_BYTES 128
 #define HASH_BYTES 64
-#define DAG_PARENTS 256
+#define DATASET_PARENTS 256
 #define CACHE_ROUNDS 3
 #define ACCESSES 64
 
diff --git a/internal.c b/internal.c
index 3144bf8d6..0a7e767e7 100644
--- a/internal.c
+++ b/internal.c
@@ -114,7 +114,7 @@ void ethash_calculate_dag_item(
     __m128i xmm3 = ret->xmm[3];
 #endif
 
-    for (unsigned i = 0; i != DAG_PARENTS; ++i) {
+    for (unsigned i = 0; i != DATASET_PARENTS; ++i) {
         uint32_t parent_index = ((node_index ^ i) * FNV_PRIME ^ ret->words[i % NODE_WORDS]) % num_parent_nodes;
         node const *parent = &cache_nodes[parent_index];
 
@@ -274,9 +274,9 @@ void ethash_quick_hash(
 }
 
 void ethash_get_seedhash(uint8_t seedhash[32], const uint32_t block_number) {
-    memset(seedhash,0,32);
+    memset(seedhash, 0, 32);
     const uint32_t epochs = block_number / EPOCH_LENGTH;
-    for (uint32_t i = 0 ; i < epochs ; ++i)
+    for (uint32_t i = 0; i < epochs; ++i)
         SHA3_256(seedhash, seedhash, 32);
 }