diff --git a/src/input/triangulation.rs b/src/input/triangulation.rs
index 8cca445..10f780b 100644
--- a/src/input/triangulation.rs
+++ b/src/input/triangulation.rs
@@ -170,8 +170,7 @@ impl Triangulation {
             .inner
             .interiors()
             .iter()
-            .filter(|obstacle| Triangulation::add_constraint_edges(&mut cdt, obstacle).is_none())
-            .next()
+            .find(|obstacle| Triangulation::add_constraint_edges(&mut cdt, obstacle).is_none())
             .is_some()
         {
             return None;