diff --git a/init.lua b/init.lua
index 17c44e1..79d2bce 100644
--- a/init.lua
+++ b/init.lua
@@ -155,8 +155,11 @@ if(minetest.get_modpath("mana") ~= nil) then
 		on_use = function(itemstack, user, pointed_thing)
 			local failure = false
 			if(pointed_thing.type == "node") then
-				if(mana.subtract(user:get_player_name(), teletool.settings.cost_mana)) then
+				if(mana.get(user:get_player_name()) >= teletool.settings.cost_mana) then
 					failure = not teletool.teleport(user, pointed_thing)
+					if not failure then
+						failure = mana.subtract(user:get_player_name(), teletool.settings.cost_mana)
+					end
 				else
 					failure = true
 				end