diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 518a8675..8af05959 100644
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -124,7 +124,7 @@ Value Evaluation<T>::value()
     case PHASE_GAMEOVER:
         if (pos.pieces_count_on_board(BLACK) + pos.pieces_count_on_board(WHITE) >=
             RANK_NB * FILE_NB) {
-            if (rule->isBlackLosebutNotDrawWhenBoardFull) {
+            if (rule->isBlackLoseButNotDrawWhenBoardFull) {
                 value -= VALUE_MATE;
             } else {
                 value = VALUE_DRAW;
diff --git a/src/position.cpp b/src/position.cpp
index bdd2e1e4..7dd37fd2 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -1164,7 +1164,7 @@ bool Position::check_gameover_condition()
     }
 
     if (pieceCountOnBoard[BLACK] + pieceCountOnBoard[WHITE] >= RANK_NB * FILE_NB) {
-        if (rule->isBlackLosebutNotDrawWhenBoardFull) {
+        if (rule->isBlackLoseButNotDrawWhenBoardFull) {
             set_gameover(WHITE, LOSE_REASON_BOARD_IS_FULL);
         } else {
             set_gameover(DRAW, DRAW_REASON_BOARD_IS_FULL);
diff --git a/src/rule.h b/src/rule.h
index 09d82009..93477873 100644
--- a/src/rule.h
+++ b/src/rule.h
@@ -33,7 +33,7 @@ struct Rule
     bool isDefenderMoveFirst;
     bool allowRemoveMultiPiecesWhenCloseMultiMill;
     bool allowRemovePieceInMill;
-    bool isBlackLosebutNotDrawWhenBoardFull;
+    bool isBlackLoseButNotDrawWhenBoardFull;
     bool isLoseButNotChangeSideWhenNoWay;
     bool allowFlyWhenRemainThreePieces;
     int maxStepsLedToDraw;