diff --git a/crates/fj-kernel/src/partial/objects/cycle.rs b/crates/fj-kernel/src/partial/objects/cycle.rs
index 41c84963b..be37c6a04 100644
--- a/crates/fj-kernel/src/partial/objects/cycle.rs
+++ b/crates/fj-kernel/src/partial/objects/cycle.rs
@@ -48,17 +48,17 @@ impl PartialCycle {
             .half_edges
             .last()
             .map(|half_edge| {
-                let [_, last] = half_edge.vertices().expect(
-                    "Need half-edge vertices to extend cycle with poly-chain",
-                );
-                let last = last.surface_form().expect(
-                    "Need surface vertex to extend cycle with poly-chain",
-                );
+                let [_, last] = half_edge
+                    .vertices()
+                    .expect("Need half-edge vertices to extend cycle");
+                let last = last
+                    .surface_form()
+                    .expect("Need surface vertex to extend cycle");
 
                 let vertex = last.clone();
-                let position = last.position().expect(
-                    "Need surface position to extend cycle with poly-chain",
-                );
+                let position = last
+                    .position()
+                    .expect("Need surface position to extend cycle");
 
                 (position, Some(vertex))
             })