diff --git a/ROMFS/px4fmu_common/init.d/rc.sensors b/ROMFS/px4fmu_common/init.d/rc.sensors
index 3224008736..192f949962 100644
--- a/ROMFS/px4fmu_common/init.d/rc.sensors
+++ b/ROMFS/px4fmu_common/init.d/rc.sensors
@@ -110,6 +110,9 @@ then
 	# External I2C bus
 	hmc5883 -C -X start
 
+	# External I2C bus
+	lis3mdl -X start
+
 	# Onboard I2C (baro) but an external bus on V3 RC15
 	mpl3115a2 -X start