diff --git a/mods/d2k/rules/structures.yaml b/mods/d2k/rules/structures.yaml
index fce4faf0c0..a517f7bc38 100644
--- a/mods/d2k/rules/structures.yaml
+++ b/mods/d2k/rules/structures.yaml
@@ -51,6 +51,8 @@
 		Type: Wood
 	RevealsShroud:
 		Range: 4
+	ProvidesCustomPrerequisite:
+		Prerequisite: Power   
 
 ^BARRACKS:
 	Inherits: ^Building
@@ -219,7 +221,7 @@ RESEARCH:
 	CustomSellValue:
 		Value: 500
 	ProvidesCustomPrerequisite:
-		Prerequisite: Spice Refinery
+		Prerequisite: Refinery
 	FreeActor:
 		Actor: HARVESTER
 		InitialActivity: FindResources
diff --git a/mods/d2k/rules/vehicles.yaml b/mods/d2k/rules/vehicles.yaml
index f466832af7..52b606979f 100644
--- a/mods/d2k/rules/vehicles.yaml
+++ b/mods/d2k/rules/vehicles.yaml
@@ -47,7 +47,7 @@ HARVESTER:
 	Inherits: ^Vehicle
 	Buildable:
 		Queue: Armor
-		Prerequisites: Heavy Factory,Spice Refinery
+		Prerequisites: Heavy Factory,Refinery
 		Owner: atreides, harkonnen, ordos
 		BuiltAt: heavya, heavyh, heavyo
 		BuildPaletteOrder: 10