diff --git a/src/engine/db/handlers/dbWarehouseHandler.java b/src/engine/db/handlers/dbWarehouseHandler.java
index eda889c3..4a31fd93 100644
--- a/src/engine/db/handlers/dbWarehouseHandler.java
+++ b/src/engine/db/handlers/dbWarehouseHandler.java
@@ -19,6 +19,7 @@ import engine.objects.Transaction;
 import engine.objects.Warehouse;
 import engine.server.MBServerStatics;
 import org.joda.time.DateTime;
+import org.json.simple.JSONArray;
 import org.json.simple.JSONObject;
 import org.json.simple.parser.JSONParser;
 import org.pmw.tinylog.Logger;
@@ -85,7 +86,17 @@ public class dbWarehouseHandler extends dbHandlerBase {
 
     public boolean UPDATE_WAREHOUSE(Warehouse warehouse) {
 
-        JSONObject warehouseJSON = new JSONObject(warehouse.resources);
+        JSONObject warehouseJSON = new JSONObject();
+
+        JSONObject resources = new JSONObject(warehouse.resources);
+        warehouseJSON.put("resources", resources);
+
+        JSONArray locks = new JSONArray();
+
+        for (Enum.ResourceType resource : warehouse.locked)
+            locks.add(resource.name());
+
+        warehouseJSON.put("locks", locks);
 
         try (Connection connection = DbManager.getConnection();
              PreparedStatement preparedStatement = connection.prepareStatement("INSERT INTO `dyn_warehouse` (`cityUUID`, `warehouse`) VALUES (?, ?) " +