diff --git a/board/src/piece.rs b/board/src/piece.rs
index e8a8cbb..5d8fc8a 100644
--- a/board/src/piece.rs
+++ b/board/src/piece.rs
@@ -124,10 +124,10 @@ pub enum PiecePlacementError {
 #[macro_export]
 macro_rules! piece {
     ($color:ident $shape:ident) => {
-        Piece::new(Color::$color, Shape::$shape)
+        $crate::piece::Piece::new($crate::piece::Color::$color, $crate::piece::Shape::$shape)
     };
     ($color:ident $shape:ident on $square:ident) => {
-        PlacedPiece::new(piece!($color $shape), Square::$square)
+        $crate::piece::PlacedPiece::new(piece!($color $shape), $crate::square::Square::$square)
     }
 }