diff --git a/mods/ra/rules/structures.yaml b/mods/ra/rules/structures.yaml
index 2024c5a2da..602d1d797b 100755
--- a/mods/ra/rules/structures.yaml
+++ b/mods/ra/rules/structures.yaml
@@ -1,4 +1,6 @@
 MSLO:
+	CanPowerDown:
+	RequiresPower:
 	NukeSilo:
 		MissileWeapon: atomic
 		SpawnOffset: 10,0