X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fbitboard.h;h=35904377ea62d633f55adc83b749b55f8e8f85a7;hb=3b14b17664b30933e55d0fb1c8248ddab8b49110;hp=b99cc2597ceb7959709b50c1dbfa3514e2479383;hpb=e304db9d1ecf6a2318708483c90fadecf4fac4ee;p=stockfish

diff --git a/src/bitboard.h b/src/bitboard.h
index b99cc259..35904377 100644
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -280,7 +280,7 @@ FORCE_INLINE Square msb(Bitboard b) {
 
 FORCE_INLINE Square pop_lsb(Bitboard* b) {
   const Square s = lsb(*b);
-  *b &= ~(1ULL << s);
+  *b &= *b - 1;
   return s;
 }