X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fpiece.cpp;h=382ed6456312604c73e2ceea1f9ad40b37c9776e;hb=67375f4693c97fb1321864bb4d143812cd824f9b;hp=707c8c57dfae3d53ae3de96d44de1a40d53e91f4;hpb=f0858cd22972c0f893ab8d012a0f1783cd9faff2;p=stockfish

diff --git a/src/piece.cpp b/src/piece.cpp
index 707c8c57..382ed645 100644
--- a/src/piece.cpp
+++ b/src/piece.cpp
@@ -35,7 +35,7 @@
 
 static const char PieceChars[] = " pnbrqk";
 
-char piece_type_to_char(PieceType pt, bool upcase) {
+int piece_type_to_char(PieceType pt, bool upcase) {
   return upcase? toupper(PieceChars[pt]) : PieceChars[pt];
 }