diff --git a/itemframe.lua b/itemframe.lua
index bb3b4b9..c9c275b 100644
--- a/itemframe.lua
+++ b/itemframe.lua
@@ -119,7 +119,10 @@ xdecor.register("frame", {
 	end,
 	can_dig = function(pos, player)
 		local meta = minetest.get_meta(pos)
-		return player:get_player_name() == meta:get_string("owner")
+		local owner = meta:get_string("owner")
+
+		if not player or player:get_player_name() ~= owner then return false end
+		return true
 	end,
 	on_destruct = function(pos)
 		local meta = minetest.get_meta(pos)
diff --git a/mailbox.lua b/mailbox.lua
index 84384c3..b437585 100644
--- a/mailbox.lua
+++ b/mailbox.lua
@@ -36,8 +36,9 @@ xdecor.register("mailbox", {
 		local owner = meta:get_string("owner")
 		local inv = meta:get_inventory()
 
-		if not inv:is_empty("main") then return false end
-		return player:get_player_name() == owner
+		if not inv:is_empty("main") or not player or
+			player:get_player_name() ~= owner then return false end
+		return true
 	end,
 	on_metadata_inventory_put = function(pos, listname, _, stack, _)
 		local inv = minetest.get_meta(pos):get_inventory()