diff --git a/Sources/epoch_code/compile/building/EPOCH_upgradeBUILD.sqf b/Sources/epoch_code/compile/building/EPOCH_upgradeBUILD.sqf
index 0dd45fde..b6cca135 100644
--- a/Sources/epoch_code/compile/building/EPOCH_upgradeBUILD.sqf
+++ b/Sources/epoch_code/compile/building/EPOCH_upgradeBUILD.sqf
@@ -87,6 +87,8 @@ if (_object isKindOf "Constructions_static_F") then {
 	_buildingJammerRange = getNumber(_config2 >> "buildingJammerRange");
 	_maxdoors = getNumber(_config2 >> "maxdoors");
 	_maxgates = getNumber(_config2 >> "maxgates");
+	if (_maxdoors == 0) then {_maxdoors = 12};
+	if (_maxgates == 0) then {_maxgates = 10};
 
 	_upgrades = getArray(_config >> (typeOf _object) >> "upgradeBuilding");
 	if !(_upgrades isEqualTo []) then {