diff --git a/REDALERT/HOUSE.CPP b/REDALERT/HOUSE.CPP
index a228ab6..fb05acb 100644
--- a/REDALERT/HOUSE.CPP
+++ b/REDALERT/HOUSE.CPP
@@ -5787,6 +5787,20 @@ int HouseClass::AI_Building(void)
 			}
 		}
 
+		
+		/*
+		**	Build a Dome.
+		*/
+		if (BQuantity[STRUCT_RADAR] == 0) {
+			b = &BuildingTypeClass::As_Reference(STRUCT_RADAR);
+			if (Can_Build(b, ActLike) && (b->Cost_Of() < money || hasincome)) {
+				choiceptr = BuildChoice.Alloc();
+				if (choiceptr != NULL) {
+					*choiceptr = BuildChoiceClass(URGENCY_MEDIUM, b->Type);
+				}
+			}
+		}
+		
 		/*
 		**	Build some air defense.
 		*/
@@ -8170,4 +8184,4 @@ void HouseClass::Free_Unit_Trackers(void)
 		delete TotalCrates;
 		TotalCrates = NULL;
 	}
-}
\ No newline at end of file
+}