diff --git a/ReallifeGamemode.Server/Managers/InventoryManager.cs b/ReallifeGamemode.Server/Managers/InventoryManager.cs
index 6bebc678..ca5a32f4 100644
--- a/ReallifeGamemode.Server/Managers/InventoryManager.cs
+++ b/ReallifeGamemode.Server/Managers/InventoryManager.cs
@@ -387,9 +387,9 @@ namespace ReallifeGamemode.Server.Managers
 
       using (var context = new DatabaseContext())
       {
-        UserItem item = context.UserItems.Where(u => u.UserId == user.Id && u.ItemId == itemID && u.Amount >= itemAmount).FirstOrDefault();
+        UserItem userItem = context.UserItems.Where(u => u.UserId == user.Id && u.ItemId == itemID && u.Amount >= itemAmount).FirstOrDefault();
 
-        if (item == null)
+        if (userItem == null)
         {
           player.TriggerEvent("Error", "Transfer nicht möglich.");
           return;
@@ -415,11 +415,23 @@ namespace ReallifeGamemode.Server.Managers
           return;
         }
 
-        RemoveUserItem(user, item, itemAmount);
+        ServerVehicle serverVehicle = VehicleManager.GetServerVehicleFromVehicle(veh, context);
+
+        if (VehicleStreaming.GetLockState(veh) || serverVehicle.Locked)
+        {
+          player.TriggerEvent("Error", "Der Kofferraum ist abgeschlossen");
+          return;
+        }
+
+        IItem item = GetItemById(userItem.ItemId);
+
+        logger.LogInformation("Player {0} transferred the item {1} ({2}, amount: {3}) from his inventory to vehicle {4}", player.Name, item.Name, userItem.Id, itemAmount, serverVehicle.Id);
+
+        RemoveUserItem(user, userItem, itemAmount);
         AddItemToVehicleInventory(veh, itemID, itemAmount);
 
         SetBackpackItems(player);
-        VehicleItem vehicleItem = context.VehicleItems.Where(f => f.ItemId == itemID && f.Vehicle == VehicleManager.GetServerVehicleFromVehicle(veh, context)).FirstOrDefault();
+        VehicleItem vehicleItem = context.VehicleItems.Where(f => f.ItemId == itemID && f.Vehicle == serverVehicle).FirstOrDefault();
         context.SaveChanges();
         IItem iItem = GetItemById(itemID);
         player.TriggerEvent("aproveTransfer", vehicleItem.Amount, iItem.Name, "Kofferraum");