diff --git a/src/bin/flat.rs b/src/bin/flat.rs
index 46a11df..c54ac5c 100644
--- a/src/bin/flat.rs
+++ b/src/bin/flat.rs
@@ -211,7 +211,7 @@ impl Metric for Rect {
 		let s = smoothbox(pos.x, vec2(-self.r.x, self.r.x), self.m.x) * smoothbox(pos.y, vec2(-self.r.y, self.r.y), self.m.y);
 		Decomp2 {
 			ortho: Mat2::IDENTITY,
-			diag: vec2(1.0, self.scale.powf(-s)),
+			diag: vec2(1.0, 1.0.lerp(1.0 / self.scale, s)),
 		}
 	}
 }