diff --git a/conf/system/udev/rules/10-paparazzi.rules b/conf/system/udev/rules/10-paparazzi.rules
index cae8207c58..c683d99fc0 100644
--- a/conf/system/udev/rules/10-paparazzi.rules
+++ b/conf/system/udev/rules/10-paparazzi.rules
@@ -1,25 +1,33 @@
-#BUS=="usb", SYSFS{serial}=="*_fbw", NAME="test_fbw", SYMLINK="paparazzi/%s{serial}", MODE="0666"
+ACTION!="add|change", GOTO="paparazzi_rules_end"
+
+SUBSYSTEM!="usb", GOTO="paparazzi_rules_end"
+
+ENV{DEVTYPE}!="usb_device", GOTO="paparazzi_rules_end"
+
+#SUBSYSTEMS=="usb", ATTRS{serial}=="*_fbw", NAME="test_fbw", SYMLINK+="paparazzi/%s{serial}", MODE="0666"
 
 # MaxStream xbee pro box
-BUS=="usb", ATTRS{product}=="MaxStream PKG-U", KERNEL=="ttyUSB*", SYMLINK+="paparazzi/xbee", GROUP="plugdev"
+SUBSYSTEMS=="usb", ATTRS{product}=="MaxStream PKG-U", KERNEL=="ttyUSB*", SYMLINK+="paparazzi/xbee", GROUP="plugdev"
 
 # bare FTDI chip without EEPROM
-BUS=="usb", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", KERNEL=="ttyUSB*", SYMLINK+="paparazzi/serial", GROUP="plugdev"
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", KERNEL=="ttyUSB*", SYMLINK+="paparazzi/serial", GROUP="plugdev" 
 
 # all (fake VID 0x7070) LPCUSB devices (access through libusb)
-BUS=="usb", ATTRS{idVendor}=="7070", GROUP="plugdev"
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="7070", GROUP="plugdev"
 
 # FTDI 2232 parallel converter / Amontec JTAG-Tiny (access through libftdi)
-BUS=="usb",  ATTRS{idVendor}=="0403", ATTRS{idProduct}=="cff8", GROUP="plugdev"
+SUBSYSTEMS=="usb",  ATTRS{idVendor}=="0403", ATTRS{idProduct}=="cff8", GROUP="plugdev"
 
 # FTDI 2232 based jtag for Lisa/L
-SUBSYSTEM=="usb", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", MODE="0666", GROUP="plugdev"
+SUBSYSTEM=="usb", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", MODE="0666", GROUP="plugdev" 
 
 # make joysticks/gamepads readable on event interface (writeable for force feedback), see input_event.sh
-KERNEL=="event*", IMPORT{program}="input_event.sh %p", NAME="input/%k", GROUP="plugdev", MODE="0640"
-ENV{FF_DEVICE}=="1", MODE="0660"
+KERNEL=="event*", IMPORT{program}="input_event.sh %p", NAME="input/%k", GROUP="plugdev", MODE="0640" ENV{FF_DEVICE}=="1", MODE="0660" 
 
 #needed for lisa usb upload
-SUBSYSTEM=="usb", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010",
-MODE="0666", GROUP="plugdev"
+SUBSYSTEM=="usb", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6010", MODE="0666", GROUP="plugdev"
 
+# FTDI with uBlox direct on USB
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="1546", ATTRS{idProduct}=="01a5", KERNEL=="ttyACM*", SYMLINK+="paparazzi/acm", GROUP="plugdev"
+
+LABEL="paparazzi_rules_end"