diff --git a/warehouse18.lua b/warehouse18.lua
--- a/warehouse18.lua
+++ b/warehouse18.lua
@@ -4,6 +4,10 @@
 Здесь игрок найдет чертеж подводной лодки.
 ]]
 
+global {
+    warehouse18_initialized = false;
+};
+
 warehouse_18_entry = room {
 	nam = "warehouse_18_entry";
 	disp = "Вход на склад 18";
@@ -272,9 +276,10 @@ w18_boxes = {
 };
 
 function warehouse18_init()
-    if (not w18_boxes[1].item and not w18_boxes[2].item and not w18_boxes[3].item and not w18_boxes[4].item) then
+    if (warehouse18_initialized) then
         return;
     end;
+    warehouse18_initialized = true;
 	local item1 = "item_cogs";
 	local item2 = "item_unknown_schematics";
 	local item3 = "item_map";