diff --git a/board-shared/src/board.rs b/board-shared/src/board.rs
index a71d0d5..ab8c8d8 100644
--- a/board-shared/src/board.rs
+++ b/board-shared/src/board.rs
@@ -1,7 +1,7 @@
 use crate::position::{Alignment, Grid2d, Position2d};
 use crate::tile::Tile;
 
-const DEFAULT_BOARD_SIZE: usize = 25;
+const DEFAULT_BOARD_SIZE: usize = 19;
 
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Board {