Mouse Logitech Scroll don't work anymore

Hello,

Since the latest update (17.04) the scroll button don't work properly with my Logitech MX518. I have to scroll many times to slightly move the scrolling bar. It use to work perfectly before.

Here my settings :

jeanmarc@hal:~$ xinput list-props 8
Device 'Logitech USB-PS/2 Optical Mouse':
 Device Enabled (153): 1
 Coordinate Transformation Matrix (155): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
 libinput Accel Speed (290): 0.000000
 libinput Accel Speed Default (291): 0.000000
 libinput Accel Profiles Available (292): 1, 1
 libinput Accel Profile Enabled (293): 1, 0
 libinput Accel Profile Enabled Default (294): 1, 0
 libinput Natural Scrolling Enabled (295): 0
 libinput Natural Scrolling Enabled Default (296): 0
 libinput Send Events Modes Available (275): 1, 0
 libinput Send Events Mode Enabled (276): 0, 0
 libinput Send Events Mode Enabled Default (277): 0, 0
 libinput Left Handed Enabled (297): 0
 libinput Left Handed Enabled Default (298): 0
 libinput Scroll Methods Available (299): 0, 0, 1
 libinput Scroll Method Enabled (300): 0, 0, 0
 libinput Scroll Method Enabled Default (301): 0, 0, 0
 libinput Button Scrolling Button (302): 2
 libinput Button Scrolling Button Default (303): 2
 libinput Middle Emulation Enabled (304): 0
 libinput Middle Emulation Enabled Default (305): 0
 Device Node (278): "/dev/input/event2"
 Device Product ID (279): 1133, 49233
 libinput Drag Lock Buttons (306): <no items>
 libinput Horizontal Scroll Enabled (307): 1

What can i do ? Thanks