diff --git a/mods/d2k/rules/atreides.yaml b/mods/d2k/rules/atreides.yaml
index 459d53922f..65503c77e3 100644
--- a/mods/d2k/rules/atreides.yaml
+++ b/mods/d2k/rules/atreides.yaml
@@ -114,6 +114,7 @@ MCVA:
 MCVA.starport:
 	Inherits: MCVA
 	Buildable:
+		Prerequisites: ~starporta, repair
 		Queue: Starport
 	Valued:
 		Cost: 2500
@@ -130,6 +131,7 @@ CARRYALLA.starport:
 	Valued:
 		Cost: 1500
 	Buildable:
+		Prerequisites: ~starporta
 		Queue: Starport
 
 COMBATA:
@@ -162,6 +164,7 @@ COMBATA.Husk:
 COMBATA.starport:
 	Inherits: COMBATA
 	Buildable:
+		Prerequisites: ~starporta
 		Queue: Starport
 	Valued:
 		Cost: 875
diff --git a/mods/d2k/rules/harkonnen.yaml b/mods/d2k/rules/harkonnen.yaml
index 06afb4f3f2..5922f70348 100644
--- a/mods/d2k/rules/harkonnen.yaml
+++ b/mods/d2k/rules/harkonnen.yaml
@@ -118,6 +118,7 @@ MCVH:
 MCVH.starport:
 	Inherits: MCVH
 	Buildable:
+		Prerequisites: ~starporth, repair
 		Queue: Starport
 	Valued:
 		Cost: 2500
@@ -134,6 +135,7 @@ CARRYALLH.starport:
 	Valued:
 		Cost: 1500
 	Buildable:
+		Prerequisites: ~starporth
 		Queue: Starport
 
 COMBATH:
@@ -163,6 +165,7 @@ COMBATH.Husk:
 COMBATH.starport:
 	Inherits: COMBATH
 	Buildable:
+		Prerequisites: ~starporth
 		Queue: Starport
 	Valued:
 		Cost: 875
diff --git a/mods/d2k/rules/ordos.yaml b/mods/d2k/rules/ordos.yaml
index bf66215af9..180742093a 100644
--- a/mods/d2k/rules/ordos.yaml
+++ b/mods/d2k/rules/ordos.yaml
@@ -110,6 +110,7 @@ MCVO:
 MCVO.starport:
 	Inherits: MCVO
 	Buildable:
+		Prerequisites: ~starporto, repair
 		Queue: Starport
 	Valued:
 		Cost: 2500
@@ -142,6 +143,7 @@ COMBATO.Husk:
 COMBATO.starport:
 	Inherits: COMBATO
 	Buildable:
+		Prerequisites: ~starporto
 		Queue: Starport
 	Valued:
 		Cost: 875
@@ -213,6 +215,7 @@ CARRYALLO.starport:
 	Valued:
 		Cost: 1500
 	Buildable:
+		Prerequisites: ~starporto
 		Queue: Starport
 
 DEVIATORTANK: