diff --git a/Rudim/Board/History.cs b/Rudim/Board/History.cs
index aa2e3f8..551889e 100644
--- a/Rudim/Board/History.cs
+++ b/Rudim/Board/History.cs
@@ -31,6 +31,7 @@ public static BoardHistory RestoreBoardHistory()
         public static void ClearBoardHistory()
         {
             Array.Clear(BoardHistories);
+            _historyIndex = 0;
         }
 
         public class BoardHistory