diff --git a/Makefile b/Makefile
index 3ffe45d..c0d2610 100644
--- a/Makefile
+++ b/Makefile
@@ -73,7 +73,7 @@ ifeq ($(SIMD), sse2)
 	CFLAGS += -DSSE2 -msse2
 endif
 
-TT        ?= 64
+TT        ?= 256
 NNUE      ?= etc/current.nnue
 
 ifneq ($(SYZYGY), )
diff --git a/README b/README
index d2d4857..ad209e4 100644
--- a/README
+++ b/README
@@ -14,7 +14,7 @@ in the root directory. Make can be run with the following command
 
 to specify a transposition table size, available SIMD instructions and an NNUE
 filename respectively. TT={n} gives a transposition table of n MiB. The default
-value of n is 64. Available targets for SIMD={str} are sse2, sse4 and avx2 in
+value of n is 256. Available targets for SIMD={str} are sse2, sse4 and avx2 in
 increasing order of performance.
 
 Training data