diff --git a/tesseract.lua b/tesseract.lua
index 2c284a2..e792f8b 100644
--- a/tesseract.lua
+++ b/tesseract.lua
@@ -327,10 +327,12 @@ local function translocate(pos, node, clicker, itemstack, pointed_thing)
 	if not (id and tonumber(id)) then
 		return
 	end
+
 	local pair = fun_caves.db.translocators[tonumber(id)]
 	if not pair or #pair < 2 then
 		return
 	end
+
 	local pos2
 	if minetest.serialize(pair[2]) == minetest.serialize(pos) then
 		pos2 = table.copy(pair[1])
@@ -359,19 +361,22 @@ local function trans_place(itemstack, placer, pointed_thing)
 	end
 
 	local data = minetest.deserialize(itemstack:get_metadata())
-	if not (data and data.id) then
+	if not (data and data.id and tonumber(data.id)) then
 		return
 	end
+
 	local player_name = placer:get_player_name()
 	if not data.owner or data.owner == '' then
 		data.owner = player_name
 	end
+
 	local pos = pointed_thing.above
 	local pair = fun_caves.db.translocators[tonumber(data.id)]
 	if not pair or #pair > 1 then
 		print('* Fun Caves: high error in translocator storage')
 		return
 	end
+
 	local ret, place_good = minetest.item_place_node(itemstack, placer, pointed_thing)
 	if place_good then
 		pair[#pair+1] = pos
@@ -395,23 +400,25 @@ local function trans_dig(pos, node, digger)
 	local meta = minetest.get_meta(pos)
 	local id = meta:get_string('id')
 	local owner = meta:get_string('owner')
+	if owner == '' then
+		owner = player_name
+	end
 	local data = { id = id, owner = owner }
-	if not (data and data.id) or (data.owner ~= '' and data.owner ~= player_name) then
+	if not (data and data.id and data.owner == player_name) then
 		local privs = minetest.check_player_privs(player_name, {server=true})
 		if privs then
 			minetest.remove_node(pos)
 		end
 		return
 	end
-	if data.owner == '' then
-		data.owner = player_name
-	end
+
 	local pair = fun_caves.db.translocators[tonumber(data.id)]
 	if not pair or #pair < 1 then
 		print('* Fun Caves: low error in translocator storage')
 		minetest.remove_node(pos)
 		return
 	end
+
 	local inv = digger:get_inventory()
 	local item = ItemStack(node.name)
 	local data_str = minetest.serialize(data)
@@ -419,6 +426,7 @@ local function trans_dig(pos, node, digger)
 	if not inv:add_item('main', item) then
 		return
 	end
+
 	minetest.remove_node(pos)
 	if #pair > 1 and minetest.serialize(pair[2]) == minetest.serialize(pos) then
 		table.remove(pair, 2)