diff --git a/builtin/game/register.lua b/builtin/game/register.lua
index 1f94a9d..93e1dad 100644
--- a/builtin/game/register.lua
+++ b/builtin/game/register.lua
@@ -617,6 +617,7 @@ core.registered_can_bypass_userlimit, core.register_can_bypass_userlimit = make_
 core.registered_on_modchannel_message, core.register_on_modchannel_message = make_registration()
 core.registered_on_player_inventory_actions, core.register_on_player_inventory_action = make_registration()
 core.registered_allow_player_inventory_actions, core.register_allow_player_inventory_action = make_registration()
+core.registered_on_rightclickplayers, core.register_on_rightclickplayer = make_registration()
 
 --
 -- Compatibility for on_mapgen_init()