diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index db7705b8ad6f196eba5cc9bf932c022d38aac17c..49ccb9d6d69d190a1e8e1814de90d2da20e519f0 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -489,7 +489,7 @@ then
 			then
 				set MAVLINK_F "-r 1200 -d /dev/ttyS1"
 				# Start MAVLink on Wifi (ESP8266 port)
-				mavlink start -r 60000 -m config -b 921600 -d /dev/ttyS0
+				mavlink start -r 40000 -m config -b 921600 -d /dev/ttyS0
 			fi
 		fi
 	fi