diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index c410b213..a1da9216 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -1801,11 +1801,15 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 	if formname ~= "default:chest" then
 		return
 	end
-	if not fields.quit then
+	if not player or not fields.quit then
 		return
 	end
 	local pn = player:get_player_name()
 
+	if not open_chests[pn] then
+		return
+	end
+
 	local pos = open_chests[pn].pos
 	local sound = open_chests[pn].sound
 	local swap = open_chests[pn].swap