X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbook.cpp;h=2c11a3d507b066db136e23e916257368d6e51291;hp=9528e47c8c9e99c383e22838371723f9e1a09e6f;hb=1e7aaed8bc4247a742d515811f0e484ff40309b8;hpb=a46b53e1c21ba56b09d7d9e47335d383b5240ce0

diff --git a/src/book.cpp b/src/book.cpp
index 9528e47c..2c11a3d5 100644
--- a/src/book.cpp
+++ b/src/book.cpp
@@ -30,6 +30,7 @@
 ////
 
 #include <cassert>
+#include <iostream>
 
 #include "book.h"
 #include "movegen.h"