X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpiece.cpp;h=b287994975cbd5360d8f531758fa82931e4cb96b;hp=1fdc4dbea4e7493ace1723e873c3d9ca975e4597;hb=04e1ba8aa2dd0a7dbf4110503d71494df91b4ef5;hpb=9fc602bae74b8e09bd45ace3b42a8ce84d56b23c

diff --git a/src/piece.cpp b/src/piece.cpp
index 1fdc4dbe..b2879949 100644
--- a/src/piece.cpp
+++ b/src/piece.cpp
@@ -38,7 +38,7 @@ static const string PieceChars(" pnbrqk PNBRQK");
 
 char piece_type_to_char(PieceType pt, bool upcase) {
 
-  return PieceChars[pt + upcase * 7];
+  return PieceChars[pt + int(upcase) * 7];
 }
 
 PieceType piece_type_from_char(char c) {