diff --git a/mods/d2k/rules/structures.yaml b/mods/d2k/rules/structures.yaml
index 1b89606c7c..7a1f8a25c4 100644
--- a/mods/d2k/rules/structures.yaml
+++ b/mods/d2k/rules/structures.yaml
@@ -61,6 +61,7 @@ construction_yard:
 		Range: 5c768
 	Production:
 		Produces: Building, Upgrade
+	Exit:
 	Valued:
 		Cost: 2000
 	Tooltip: