diff --git a/src/tt.cpp b/src/tt.cpp
index fa0d39de..f4e55354 100644
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -34,16 +34,16 @@ void TranspositionTable::set_size(size_t mbSize) {
 
   assert(msb((mbSize << 20) / sizeof(TTEntry)) < 32);
 
-  uint32_t size = 1 << msb((mbSize << 20) / sizeof(TTEntry[ClusterSize]));
+  uint32_t size = ClusterSize << msb((mbSize << 20) / sizeof(TTEntry[ClusterSize]));
 
-  if (clusterMask == size - 1)
+  if (hashMask == size - ClusterSize)
       return;
 
-  clusterMask = size - 1;
-  delete [] entries;
-  entries = new (std::nothrow) TTEntry[size * ClusterSize];
+  hashMask = size - ClusterSize;
+  delete [] table;
+  table = new (std::nothrow) TTEntry[size];
 
-  if (!entries)
+  if (!table)
   {
       std::cerr << "Failed to allocate " << mbSize
                 << "MB for transposition table." << std::endl;
@@ -60,7 +60,7 @@ void TranspositionTable::set_size(size_t mbSize) {
 
 void TranspositionTable::clear() {
 
-  memset(entries, 0, (clusterMask + 1) * sizeof(TTEntry[ClusterSize]));
+  memset(table, 0, (hashMask + ClusterSize) * sizeof(TTEntry));
 }
 
 
diff --git a/src/tt.h b/src/tt.h
index 81bfd3b2..2db19c89 100644
--- a/src/tt.h
+++ b/src/tt.h
@@ -85,7 +85,7 @@ class TranspositionTable {
   static const unsigned ClusterSize = 4; // A cluster is 64 Bytes
 
 public:
- ~TranspositionTable() { delete [] entries; }
+ ~TranspositionTable() { delete [] table; }
   void new_search() { generation++; }
 
   TTEntry* probe(const Key key) const;
@@ -96,8 +96,8 @@ public:
   void store(const Key key, Value v, Bound type, Depth d, Move m, Value statV, Value kingD);
 
 private:
-  uint32_t clusterMask;
-  TTEntry* entries;
+  uint32_t hashMask;
+  TTEntry* table;
   uint8_t generation; // Size must be not bigger then TTEntry::generation8
 };
 
@@ -110,7 +110,7 @@ extern TranspositionTable TT;
 
 inline TTEntry* TranspositionTable::first_entry(const Key key) const {
 
-  return entries + ((uint32_t)key & clusterMask) * ClusterSize;
+  return table + ((uint32_t)key & hashMask);
 }