diff --git a/src/main.rs b/src/main.rs
index 590bb3a9..0b0542fc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,6 +12,7 @@ register_tile!(State);
 impl MosaicTile for State {
     fn init(&mut self) {
         set_selectable(false);
+        set_max_height(1);
     }
 
     fn draw(&mut self, _rows: usize, cols: usize) {