1 files changed, 2 insertions, 0 deletions
diff --git a/src/fen.c b/src/fen.c
index 2baa05d..37ce8da 100755
--- a/src/fen.c
+++ b/src/fen.c
@@ -301,6 +301,7 @@ Return value:
                 //
                 pos->cPawns[uColor][uPieceCounters[uPieceIndex]] = cSquare;
                 pos->bbPawns[uColor] |= COOR_TO_BB(cSquare);
+                pos->bbOccupied |= COOR_TO_BB(cSquare);
                 pos->rgSquare[cSquare].uIndex = uPieceCounters[uPieceIndex];
                 pos->rgSquare[cSquare].pPiece = p;
                 pos->uPawnMaterial[uColor] += VALUE_PAWN;
@@ -332,6 +333,7 @@ Return value:
                     uNumNonPawns[uColor]++;
                     pos->bbPieces[uColor][PIECE_TYPE(p)] |= COOR_TO_BB(cSquare);
                 }
+                pos->bbOccupied |= COOR_TO_BB(cSquare);
                 pos->rgSquare[cSquare].pPiece = p;
                 pos->rgSquare[cSquare].uIndex = uIndex;
                 pos->uNonPawnMaterial[uColor] += PIECE_VALUE(p);