diff --git a/mods/ra/system.yaml b/mods/ra/system.yaml
index b72b668a48..9f4ca1de39 100644
--- a/mods/ra/system.yaml
+++ b/mods/ra/system.yaml
@@ -4,6 +4,10 @@ Player:
 		Type: Building
 		BuildSpeed: .4
 		LowPowerSlowdown: 3
+	ProductionQueue@Defense:
+		Type: Defense
+		BuildSpeed: .4
+		LowPowerSlowdown: 3
 	ProductionQueue@Vehicle:
 		Type: Vehicle
 		BuildSpeed: .4