X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmove.cpp;fp=src%2Fmove.cpp;h=4b1285e4df795c66971f30e40e17b93ddd3e0612;hp=e52a8e59e688853fad3557314e5850da63b62d71;hb=875a8079bc142ca92027b07427d72c03fe5268a5;hpb=b76c04c0975326d3274d7d7fb6df4edef7a040b5

diff --git a/src/move.cpp b/src/move.cpp
index e52a8e59..4b1285e4 100644
--- a/src/move.cpp
+++ b/src/move.cpp
@@ -98,7 +98,7 @@ const string move_to_san(Position& pos, Move m) {
           // Disambiguation if we have more then one piece with destination 'to'
           // note that for pawns is not needed because starting file is explicit.
           attackers = pos.attackers_to(to) & pos.pieces(pt, pos.side_to_move());
-          clear_bit(&attackers, from);
+          xor_bit(&attackers, from);
           ambiguousMove = ambiguousFile = ambiguousRank = false;
 
           while (attackers)