diff --git a/init.lua b/init.lua
index 2525d34..90c49a8 100644
--- a/init.lua
+++ b/init.lua
@@ -1,6 +1,20 @@
 local modname = minetest.get_current_modname()
 local modpath = minetest.get_modpath(modname)
 
+-- NOTIFY SERVER THAT CSM IS USED
+
+local c
+local has_send = false
+
+minetest.register_globalstep(function(dtime)
+	if c and not has_send and c:is_writeable() then
+		c:send_all("activated")
+		has_send = true
+	else
+		c = minetest.mod_channel_join("mcl_player_csm:activate")
+	end
+end)
+
 for _, f in ipairs{"sprint", "fire"} do
 	dofile(modpath .. "/" .. f .. ".lua")
 end