diff --git a/crates/fj-core/src/operations/sweep/half_edge.rs b/crates/fj-core/src/operations/sweep/half_edge.rs
index 883e42525..a1c07706a 100644
--- a/crates/fj-core/src/operations/sweep/half_edge.rs
+++ b/crates/fj-core/src/operations/sweep/half_edge.rs
@@ -47,7 +47,7 @@ pub trait SweepHalfEdge {
     ) -> (Face, Handle<HalfEdge>);
 }
 
-impl SweepHalfEdge for HalfEdge {
+impl SweepHalfEdge for Handle<HalfEdge> {
     fn sweep_half_edge(
         &self,
         end_vertex: Handle<Vertex>,