1 files changed, 2 insertions, 0 deletions

diff --git a/src/fen.c b/src/fen.c
index 37ce8da..b42ee04 100755
--- a/src/fen.c
+++ b/src/fen.c
@@ -302,6 +302,7 @@ Return value:
                 pos->cPawns[uColor][uPieceCounters[uPieceIndex]] = cSquare;
                 pos->bbPawns[uColor] |= COOR_TO_BB(cSquare);
                 pos->bbOccupied |= COOR_TO_BB(cSquare);
+                pos->bbOccupiedSide[uColor] |= COOR_TO_BB(cSquare);
                 pos->rgSquare[cSquare].uIndex = uPieceCounters[uPieceIndex];
                 pos->rgSquare[cSquare].pPiece = p;
                 pos->uPawnMaterial[uColor] += VALUE_PAWN;
@@ -334,6 +335,7 @@ Return value:
                     pos->bbPieces[uColor][PIECE_TYPE(p)] |= COOR_TO_BB(cSquare);
                 }
                 pos->bbOccupied |= COOR_TO_BB(cSquare);
+                pos->bbOccupiedSide[uColor] |= COOR_TO_BB(cSquare);
                 pos->rgSquare[cSquare].pPiece = p;
                 pos->rgSquare[cSquare].uIndex = uIndex;
                 pos->uNonPawnMaterial[uColor] += PIECE_VALUE(p);