Index: src/structures/ConstructionYardClass.cpp
===================================================================
--- src/structures/ConstructionYardClass.cpp (wersja 113)
+++ src/structures/ConstructionYardClass.cpp (kopia robocza)
@@ -43,7 +43,10 @@
void ConstructionYardClass::checkSelectionList()
{ //needed so selection list will have things in the right order when changed
BuilderClass::checkSelectionList();
-
+
+ if(settings.techLevel>=2)
+ allowedToUpgrade = true;
+
insertItem(Structure_Slab1);
if (settings.techLevel >= 4 && curUpgradeLev >= 1)
insertItem(Structure_Slab4);