diff --git a/mods/d2k/rules/ordos.yaml b/mods/d2k/rules/ordos.yaml
index e638b37e6c..2ec44fb431 100644
--- a/mods/d2k/rules/ordos.yaml
+++ b/mods/d2k/rules/ordos.yaml
@@ -88,6 +88,7 @@ MCVO:
 MCVO.starport:
 	Inherits: MCVO
 	Buildable:
+		Prerequisites: Heavy
 		Queue: Starport
 		BuiltAt: starporto
 	Valued: