diff --git a/src/modules/simulator/simulator_mavlink.cpp b/src/modules/simulator/simulator_mavlink.cpp index a0f27c4e91..3cb189803d 100644 --- a/src/modules/simulator/simulator_mavlink.cpp +++ b/src/modules/simulator/simulator_mavlink.cpp @@ -562,6 +562,7 @@ void Simulator::pollForMAVLinkMessages(bool publish) if (pstart_time == 0) { pstart_time = hrt_system_time(); } + len = recvfrom(_fd, _buf, sizeof(_buf), 0, (struct sockaddr *)&_srcaddr, &_addrlen); // send hearbeat mavlink_heartbeat_t hb = {};