diff --git a/piet-gpu/shader/tile.h b/piet-gpu/shader/tile.h
index 45473f2..e11329c 100644
--- a/piet-gpu/shader/tile.h
+++ b/piet-gpu/shader/tile.h
@@ -147,3 +147,4 @@ void TransformSeg_write(Alloc a, TransformSegRef ref, TransformSeg s) {
     write_mem(a, ix + 4, floatBitsToUint(s.translate.x));
     write_mem(a, ix + 5, floatBitsToUint(s.translate.y));
 }
+