diff --git a/ROMFS/px4fmu_common/init.d/rc.sensors b/ROMFS/px4fmu_common/init.d/rc.sensors
index e5d527dd71..718a5e8212 100644
--- a/ROMFS/px4fmu_common/init.d/rc.sensors
+++ b/ROMFS/px4fmu_common/init.d/rc.sensors
@@ -110,11 +110,6 @@ else
 	fi
 fi
 
-# Check for flow sensor
-if px4flow start &
-then
-fi
-
 if ll40ls start
 then
 fi
diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index dfa270b048..1c9fd9445b 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -708,6 +708,11 @@ fi
 # Boot is complete, inform MAVLink app(s) that the system is now fully up and running
 mavlink boot_complete
 
+# Check for flow sensor - as it is a background task, launch it last
+if px4flow start &
+then
+fi
+
 if [ $EXIT_ON_END == yes ]
 then
 	echo "Exit from nsh"