diff --git a/mods/ra/rules/infantry.yaml b/mods/ra/rules/infantry.yaml
index 1c55f4eb92..46335fcff9 100644
--- a/mods/ra/rules/infantry.yaml
+++ b/mods/ra/rules/infantry.yaml
@@ -568,8 +568,9 @@ Zombie:
 		Description: Slow undead. Attacks in close combat.
 	Buildable:
 		Queue: Infantry
+		BuildAtProductionType: Soldier
 		BuildPaletteOrder: 200
-		Prerequisites: ~bio
+		Prerequisites: ~barracks, ~bio
 	Health:
 		HP: 250
 	Mobile:
@@ -596,8 +597,9 @@ Ant:
 		GenericName: Ant
 	Buildable:
 		Queue: Infantry
+		BuildAtProductionType: Soldier
 		BuildPaletteOrder: 1954
-		Prerequisites: ~bio
+		Prerequisites: ~barracks, ~bio
 	Selectable:
 		Bounds: 24,24,0,-5
 	SelectionDecorations: