diff --git a/src/material.cpp b/src/material.cpp
index f5e4a3b9..31550720 100644
--- a/src/material.cpp
+++ b/src/material.cpp
@@ -32,7 +32,7 @@ namespace {
   const Value EndgameLimit = Value(3998);
 
   // Scale factors used when one side has no more pawns
-  const int NoPawnsSF[4] = { 6, 12, 32 };
+  const uint8_t NoPawnsSF[4] = { 6, 12, 32 };
 
   // Polynomial material balance parameters
   const Value RedundantQueenPenalty = Value(320);
diff --git a/src/material.h b/src/material.h
index 1a5f1105..08752572 100644
--- a/src/material.h
+++ b/src/material.h
@@ -25,7 +25,7 @@
 #include "tt.h"
 #include "types.h"
 
-const int MaterialTableSize = 1024;
+const int MaterialTableSize = 8192;
 
 /// MaterialInfo is a class which contains various information about a
 /// material configuration. It contains a material balance evaluation,