diff --git a/mods/ra/rules/infantry.yaml b/mods/ra/rules/infantry.yaml
index ad35d9e738..991e21156a 100644
--- a/mods/ra/rules/infantry.yaml
+++ b/mods/ra/rules/infantry.yaml
@@ -558,6 +558,7 @@ GNRL:
 
 THF:
 	Inherits: ^Soldier
+	Inherits@selection: ^SelectableSupportUnit
 	Buildable:
 		Queue: Infantry
 		BuildAtProductionType: Soldier