diff --git a/android/assets/jsons/Civ V - Gods & Kings/Buildings.json b/android/assets/jsons/Civ V - Gods & Kings/Buildings.json
index 29054addb8..1206b131f0 100644
--- a/android/assets/jsons/Civ V - Gods & Kings/Buildings.json	
+++ b/android/assets/jsons/Civ V - Gods & Kings/Buildings.json	
@@ -824,7 +824,8 @@
 		"cityHealth": 25,
 		"hurryCostModifier": 25,
 		"requiredBuilding": "Castle",
-		"requiredTech": "Metallurgy"
+		"requiredTech": "Metallurgy",
+		"uniques": ["Destroyed when the city is captured"]
 	},
 	{
 		"name": "Kremlin",
diff --git a/android/assets/jsons/Civ V - Vanilla/Buildings.json b/android/assets/jsons/Civ V - Vanilla/Buildings.json
index 6a406ed6a8..a37d846943 100644
--- a/android/assets/jsons/Civ V - Vanilla/Buildings.json	
+++ b/android/assets/jsons/Civ V - Vanilla/Buildings.json	
@@ -777,7 +777,8 @@
 		"cityHealth": 25,
 		"hurryCostModifier": 25,
 		"requiredBuilding": "Castle",
-		"requiredTech": "Rifling"
+		"requiredTech": "Rifling",
+		"uniques": ["Destroyed when the city is captured"]
 	},
 	// Column 10
 	{