diff --git a/house/src/lib.rs b/house/src/lib.rs
index b0fe051..f553c25 100644
--- a/house/src/lib.rs
+++ b/house/src/lib.rs
@@ -11,6 +11,7 @@ const PORCH_FRONT_LEN: usize = 150;
 
 const PORCH_WHITE: Rgb = Rgb(255, 208, 160);
 
+#[derive(Copy, Clone)]
 pub struct Harrogate<PB, PF> {
     pub porch_back: PB,
     pub porch_front: PF,