diff --git a/src/behaviour.rs b/src/behaviour.rs
index 06c945eb888..27f5474c924 100644
--- a/src/behaviour.rs
+++ b/src/behaviour.rs
@@ -593,6 +593,7 @@ impl NetworkBehaviour for Behaviour {
                 self.inner.on_swarm_event(listener_closed)
             }
             confirmed @ FromSwarm::ExternalAddrConfirmed(_) => self.inner.on_swarm_event(confirmed),
+            _ => {}
         }
     }