diff --git a/converter/adb_usb/Makefile b/converter/adb_usb/Makefile
index b1acf0ff..73b97cc7 100644
--- a/converter/adb_usb/Makefile
+++ b/converter/adb_usb/Makefile
@@ -94,7 +94,7 @@ OPT_DEFS += -DADB_MOUSE_MAXACC=$(ADB_MOUSE_MAXACC)
 #       left click -> |1      2| <- right click
 #                     |________|
 #
-ADB_MOUSE_SCROLL_BUTTON ?= 4	# Assign the button (1-8) (0 to disable)
+ADB_MOUSE_SCROLL_BUTTON ?= 0	# Assign the button (1-8) (0 to disable)
 ADB_MOUSE_SCROLL_SPEED ?= 10	# 1 (fastest) to 127 (slowest)
 
 # Optimize size but this may cause error "relocation truncated to fit"