diff --git a/api.lua b/api.lua
index 78a6419..ef0545d 100644
--- a/api.lua
+++ b/api.lua
@@ -214,10 +214,16 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 	local mod_pos_pos2 = formname:split(":")
 
 	if mod_pos_pos2[1] == "telemosaic" then
+		local pos = minetest.string_to_pos(mod_pos_pos2[2])
+
+		if minetest.is_protected(pos, player:get_player_name()) then
+			minetest.chat_send_player(player:get_player_name(), "You cannot use protected beacon!")
+			return
+		end
+
 		-- beacon name change
 		if fields.bname then
 			local bname = fields.bname
-			local pos = minetest.string_to_pos(mod_pos_pos2[2])
 			local meta = minetest.get_meta(pos)
 			local pos2 = minetest.string_to_pos(mod_pos_pos2[3])
 			
@@ -241,11 +247,6 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 			local range = meta:get_int("range")
 			local pos2 = minetest.string_to_pos(mod_pos_pos2[3])
 
-			if minetest.is_protected(pos, player:get_player_name()) then
-				minetest.chat_send_player(player:get_player_name(), "You cannot teleport from protected beacon!")
-				return
-			end
-
 			if pos2 then
 				if math.floor(vector.distance(pos, pos2)) <= range then
 					for i = 1, 2 do
@@ -438,10 +439,12 @@ function telemosaic.beacon_rightclick(pos, node, clicker, itemstack, pointed_thi
 
 	-- departure
 	if stackname == "default:mese_crystal_fragment" and itemstack:get_count() == 1 then
-
 		itemstack:replace("telemosaic:key")
+
+		local item_description = minetest.registered_items[itemstack:get_name()]["description"]
 		-- remember departure position in the item meta
 		meta_stack:set_string("dep_pos", minetest.pos_to_string(pos))
+		meta_stack:set_string("description", item_description.."\nsaved position: "..minetest.pos_to_string(pos))
 
 		meta:set_string("infotext", description.."\nowner: "..ownername.."\nrange: "..range.." blocks\nright-click for more info")