diff --git a/src/Arts.cs b/src/Arts.cs
index 71e48c5..2b1476d 100644
--- a/src/Arts.cs
+++ b/src/Arts.cs
@@ -136,6 +136,7 @@ static class Arts
 
         string face = "Face0Default";
         face = Mono.grow_buffer > 0 ? "Face2Eaten" : face;
+        face = Mono.in_box.delta != 0 ? "Face3Bump" : face;
         face = food_next ? "Face1Eat" : face;
         meshes[face].Draw(
             mat_mono,