diff --git a/balloon.lua b/balloon.lua
index 12ef190..1400571 100644
--- a/balloon.lua
+++ b/balloon.lua
@@ -1,7 +1,7 @@
 local mod_name = minetest.get_current_modname()
 local mod_path = minetest.get_modpath(mod_name)
 
-me = {
+local me = {
     lift = 4,
     speed = 4,
     fuel_time = 10,