X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=6472d73551c4ac272dfa12ee79d14c9b6681871a;hp=8121bec1c9c0642c2e17f2a96b2acbcc9fccc76c;hb=6c27bf18808889ae4aef73d03c6d6a8f7a6107b5;hpb=da1165ae5dd7514cf9e0a27e7d231bde61431996

diff --git a/src/position.h b/src/position.h
index 8121bec1..6472d735 100644
--- a/src/position.h
+++ b/src/position.h
@@ -483,7 +483,7 @@ inline bool Position::pawn_is_passed(Color c, Square s) const {
 }
 
 inline bool Position::square_is_weak(Square s, Color c) const {
-  return !(pieces(PAWN, c) & outpost_mask(opposite_color(c), s));
+  return !(pieces(PAWN, opposite_color(c)) & outpost_mask(c, s));
 }
 
 inline Key Position::get_key() const {