diff --git a/android/assets/jsons/Buildings.json b/android/assets/jsons/Buildings.json
index 9db78b3d36..fc3093d426 100644
--- a/android/assets/jsons/Buildings.json
+++ b/android/assets/jsons/Buildings.json
@@ -428,7 +428,7 @@
 		name:"Ironworks",
 		production:8,
 		culture:1,
-		isWonder:true,
+		isNationalWonder:true,
 		requiredBuildingInAllCities:"Workshop",
 		requiredTech:"Machinery"
 	},