diff --git a/src/hidpp-generic.c b/src/hidpp-generic.c
index cfa1736e..9862c5c3 100644
--- a/src/hidpp-generic.c
+++ b/src/hidpp-generic.c
@@ -128,6 +128,9 @@ static const struct hidpp20_1b04_physical_mapping hidpp20_1b04_physical_mapping[
 	BUTTON_PHYS_MAPPING(60, "Back Click"		, RATBAG_BUTTON_TYPE_SIDE),
 	BUTTON_PHYS_MAPPING(61, "Wheel Side Click Right", RATBAG_BUTTON_TYPE_UNKNOWN),
 	BUTTON_PHYS_MAPPING(62, "Forward Click"		, RATBAG_BUTTON_TYPE_EXTRA),
+	BUTTON_PHYS_MAPPING(63, "Left Scroll"		, RATBAG_BUTTON_TYPE_WHEEL_LEFT),
+	BUTTON_PHYS_MAPPING(64, "Right Scroll"		, RATBAG_BUTTON_TYPE_WHEEL_RIGHT),
+	BUTTON_PHYS_MAPPING(98, "Do Nothing"		, RATBAG_BUTTON_TYPE_UNKNOWN),
 	BUTTON_PHYS_MAPPING(156, "Gesture Button"	, RATBAG_BUTTON_TYPE_UNKNOWN),
 	BUTTON_PHYS_MAPPING(157, "SmartShift"		, RATBAG_BUTTON_TYPE_WHEEL_RATCHET_MODE_SHIFT),
 	BUTTON_PHYS_MAPPING(221, "LedToggle"		, RATBAG_BUTTON_TYPE_UNKNOWN),