diff --git a/lib/functions/_partials/legal_moves_black.dart b/lib/functions/_partials/legal_moves_black.dart
index 0a15e27..9be64d3 100644
--- a/lib/functions/_partials/legal_moves_black.dart
+++ b/lib/functions/_partials/legal_moves_black.dart
@@ -203,7 +203,7 @@ class _LegalMovesBlack {
     // up
     bool hasEncounteredPiece = false;
     int j = i-8;
-    while (!hasEncounteredPiece && j > 0) {
+    while (!hasEncounteredPiece && j >= 0) {
       if (Piece.emptySquare == position.board[j]) {
         yield ("${Position.squareIndexToString(i)}${Position.squareIndexToString(j)}", Position.from(position)..playMoveIndices(i, j));
       } else {
diff --git a/lib/functions/_partials/legal_moves_white.dart b/lib/functions/_partials/legal_moves_white.dart
index 460cea4..11ece7b 100644
--- a/lib/functions/_partials/legal_moves_white.dart
+++ b/lib/functions/_partials/legal_moves_white.dart
@@ -203,7 +203,7 @@ class _LegalMovesWhite {
     // up
     bool hasEncounteredPiece = false;
     int j = i-8;
-    while (!hasEncounteredPiece && j > 0) {
+    while (!hasEncounteredPiece && j >= 0) {
       if (Piece.emptySquare == position.board[j]) {
         yield ("${Position.squareIndexToString(i)}${Position.squareIndexToString(j)}", Position.from(position)..playMoveIndices(i, j));
       } else {