diff --git a/mods/cnc/rules/structures.yaml b/mods/cnc/rules/structures.yaml
index 708115e565..75372668e2 100644
--- a/mods/cnc/rules/structures.yaml
+++ b/mods/cnc/rules/structures.yaml
@@ -32,6 +32,7 @@ FACT:
 		Type: Defense
 		BuildSpeed: .4
 		LowPowerSlowdown: 3
+	BaseBuilding:
 
 NUKE:
 	Inherits: ^Building
diff --git a/mods/cnc/rules/vehicles.yaml b/mods/cnc/rules/vehicles.yaml
index cf38201aa2..e0084a64ef 100644
--- a/mods/cnc/rules/vehicles.yaml
+++ b/mods/cnc/rules/vehicles.yaml
@@ -29,6 +29,7 @@ MCV:
 	RenderUnit:
 	MustBeDestroyed:
 	-AttackMove:
+	BaseBuilding:
 
 HARV:
 	Inherits: ^Tank