diff --git a/mods/ra/rules/defaults.yaml b/mods/ra/rules/defaults.yaml
index 0484dd29b4..da03bffc3c 100644
--- a/mods/ra/rules/defaults.yaml
+++ b/mods/ra/rules/defaults.yaml
@@ -517,8 +517,9 @@
 
 ^AmmoBox:
 	Inherits: ^TechBuilding
-	Selectable:
-		Priority: 0
+	-Selectable:
+	CustomSelectionSize:
+		CustomBounds: 24,24
 	Health:
 		HP: 10
 	Explodes: