diff --git a/src/main.zig b/src/main.zig
index 59c516f..9135371 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -255,8 +255,8 @@ fn render(window: seizer.Window) !void {
         @floatFromInt(2 * margin + 5 * (margin + tile_size[1])),
     };
     const board_offset = [2]f32{
-        (canvas.window_size[0] - space_taken_by_board[0]) / 2,
-        (canvas.window_size[1] - space_taken_by_board[1]) / 2,
+        @floor((canvas.window_size[0] - space_taken_by_board[0]) / 2),
+        @floor((canvas.window_size[1] - space_taken_by_board[1]) / 2),
     };
 
     if (win_count) |w| {