X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitbase.cpp;h=5e31cc5c8b89a7cf7222c1a0e760393afba621bd;hp=96ada8dd59d2ac95e6dd6ab2d7d8826db0022354;hb=a44c5cf4f77b05a03;hpb=5c5af4fa6533e22fb56dd22985cf2b3938efde6c

diff --git a/src/bitbase.cpp b/src/bitbase.cpp
index 96ada8dd..5e31cc5c 100644
--- a/src/bitbase.cpp
+++ b/src/bitbase.cpp
@@ -151,7 +151,7 @@ namespace {
     //
     // Case 1: Stalemate
     if (   sideToMove == BLACK
-        && (bk_attacks() & ~(wk_attacks() | pawn_attacks())) == EmptyBoardBB)
+        && !(bk_attacks() & ~(wk_attacks() | pawn_attacks())))
         return RESULT_DRAW;
 
     // Case 2: King can capture pawn