diff --git a/crates/fj-core/src/geometry/surface.rs b/crates/fj-core/src/geometry/surface.rs
index 70c1ad606..3868bb42d 100644
--- a/crates/fj-core/src/geometry/surface.rs
+++ b/crates/fj-core/src/geometry/surface.rs
@@ -38,7 +38,8 @@ impl SurfaceGeom {
     }
 
     fn path_to_line(&self) -> Line<3> {
-        Line::from_origin_and_direction(self.u.origin(), self.v)
+        let Self { u, v } = self;
+        Line::from_origin_and_direction(u.origin(), *v)
     }
 
     /// Project the global point into the surface