diff --git a/mods/ts/rules/defaults.yaml b/mods/ts/rules/defaults.yaml
index 6157b57d24..dc9db81002 100644
--- a/mods/ts/rules/defaults.yaml
+++ b/mods/ts/rules/defaults.yaml
@@ -809,6 +809,7 @@
 	Inherits: ^TerrainOverlay
 	EditorOnlyTooltip:
 		Name: Railway
+	AutoSelectionSize:
 
 ^Tunnel:
 	Inherits: ^TerrainOverlay