diff --git a/ROMFS/px4fmu_common/init.d/rc.interface b/ROMFS/px4fmu_common/init.d/rc.interface
index 255570ca5f..62de7c345f 100644
--- a/ROMFS/px4fmu_common/init.d/rc.interface
+++ b/ROMFS/px4fmu_common/init.d/rc.interface
@@ -31,11 +31,16 @@ then
 		fi
 	fi
 
-	if [ $OUTPUT_MODE == mkblctrl ]
+	if ver hwcmp AEROFC_V1
+		# Do nothing
 	then
-		set OUTPUT_DEV /dev/mkblctrl0
 	else
-		set OUTPUT_DEV /dev/pwm_output0
+		if [ $OUTPUT_MODE == mkblctrl ]
+		then
+			set OUTPUT_DEV /dev/mkblctrl0
+		else
+			set OUTPUT_DEV /dev/pwm_output0
+		fi
 	fi
 
 	if [ $OUTPUT_MODE == uavcan_esc ]