diff --git a/src/geometry.rs b/src/geometry.rs
index c6e0642..540ef71 100644
--- a/src/geometry.rs
+++ b/src/geometry.rs
@@ -96,8 +96,8 @@ pub struct Rectangle<CoordData: CoordLimits<Data = CoordData> + Clone + Copy, Sp
 
 impl<CoordData: CoordLimits<Data = CoordData> + Sub<Output=CoordData> + Clone + Copy, Space: CoordinateSpace> Rectangle<CoordData, Space> {
     pub fn new(top_left: Coordinates<CoordData, Space>, bottom_right: Coordinates<CoordData, Space>) -> Self {
-        assert!(top_left.x <= bottom_right.x);
-        assert!(top_left.y <= bottom_right.y);
+        debug_assert!(top_left.x <= bottom_right.x);
+        debug_assert!(top_left.y <= bottom_right.y);
         Self {
             top_left,
             bottom_right