diff --git a/functions.lua b/functions.lua
index 9d4e739..58ca3b8 100644
--- a/functions.lua
+++ b/functions.lua
@@ -1,4 +1,4 @@
-local is_50 = minetest.get_translator
+local is_50 = minetest.get_modpath("player_api")
 
 function carts:get_sign(z)
 	if z == 0 then