diff --git a/board/src/move.rs b/board/src/move.rs
index de8ed68..d65dff8 100644
--- a/board/src/move.rs
+++ b/board/src/move.rs
@@ -155,6 +155,7 @@ impl fmt::Debug for Move {
     }
 }
 
+#[derive(Clone, Debug)]
 pub struct MoveBuilder {
     piece: Piece,
     from: Square,