diff --git a/src/modules/mavlink/mavlink_main.cpp b/src/modules/mavlink/mavlink_main.cpp
index 3edf67676b..146ce40109 100644
--- a/src/modules/mavlink/mavlink_main.cpp
+++ b/src/modules/mavlink/mavlink_main.cpp
@@ -205,7 +205,7 @@ Mavlink::Mavlink() :
 	_subscribe_to_stream(nullptr),
 	_subscribe_to_stream_rate(0.0f),
 	_udp_initialised(false),
-	_flow_control_enabled(true),
+	_flow_control_enabled(false),
 	_last_write_success_time(0),
 	_last_write_try_time(0),
 	_mavlink_start_time(0),