diff --git a/boards/px4/fmu-v5x/init/rc.board_sensors b/boards/px4/fmu-v5x/init/rc.board_sensors
index 1649e56273..0c09a7d7ab 100644
--- a/boards/px4/fmu-v5x/init/rc.board_sensors
+++ b/boards/px4/fmu-v5x/init/rc.board_sensors
@@ -31,3 +31,6 @@ bmm150 start
 # Possible internal Barro
 bmp388 -I start
 #bmp388 -J start fixme
+
+# External RM3100 (I2C or SPI)
+rm3100 start