diff --git a/src/Gull.cpp b/src/Gull.cpp
index d4abb6b..df8a2af 100644
--- a/src/Gull.cpp
+++ b/src/Gull.cpp
@@ -4507,7 +4507,7 @@ template <bool me> int * gen_captures(int * list) {
 	}
 	for (v = ShiftE(opp,Current->mask) & Pawn(me) & Line(me,6); T(v); Cut(v)) {
 		AddMove(lsb(v),lsb(v)+PushW(me),FlagPQueen,MvvLvaPromotionCap(Square(lsb(v)+PushW(me))))
-		if (NAtt[lsb(King(opp))] & Bit(lsb(v) + PushW(me))) AddMove(lsb(v),lsb(v)+PushW(me),FlagPKnight,MvvLvaPromotionKnightCap(Square(lsb(v)+PushE(me))))
+		if (NAtt[lsb(King(opp))] & Bit(lsb(v) + PushW(me))) AddMove(lsb(v),lsb(v)+PushW(me),FlagPKnight,MvvLvaPromotionKnightCap(Square(lsb(v)+PushW(me))))
 	}
 	if (F(Current->att[me] & Current->mask)) goto finish;
 	for (v = ShiftW(opp,Current->mask) & Pawn(me) & (~Line(me,6)); T(v); Cut(v)) AddCaptureP(IPawn(me),lsb(v),lsb(v)+PushE(me),0)