From f1a20eee8e298c7136c1386f0695753a77d7770b Mon Sep 17 00:00:00 2001
From: nsubiron <nsubiron@cvc.uab.es>
Date: Sun, 30 Sep 2018 19:12:06 +0200
Subject: [PATCH] Tiny fix

---
 LibCarla/source/carla/client/Sensor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/LibCarla/source/carla/client/Sensor.h b/LibCarla/source/carla/client/Sensor.h
index 7ed90a3b4..8da722a5f 100644
--- a/LibCarla/source/carla/client/Sensor.h
+++ b/LibCarla/source/carla/client/Sensor.h
@@ -16,7 +16,7 @@ namespace client {
   public:
 
     template <typename Functor>
-    void Listen(Functor callback) {
+    void Listen(Functor &&callback) {
       /// @todo should we check if we are already listening?
       log_debug("sensor", GetId(), "type", GetTypeId(), ": subscribing to stream");
       GetWorld()->GetClient().SubscribeToStream(_stream_token, std::forward<Functor>(callback));