diff --git a/system-X/etc/X11/xorg.conf.d/10-libinput.conf b/system-X/etc/X11/xorg.conf.d/10-libinput.conf
index 1ffa595..c5b68ff 100644
--- a/system-X/etc/X11/xorg.conf.d/10-libinput.conf
+++ b/system-X/etc/X11/xorg.conf.d/10-libinput.conf
@@ -3,5 +3,5 @@ Section "InputClass"
     MatchProduct "MX Ergo Mouse"
     Driver       "libinput"
     Option       "ScrollMethod"    "button"
-    Option       "ScrollButton"    "2"
+    Option       "ScrollButton"    "9"
 EndSection