diff --git a/CubeTime/Persistence.swift b/CubeTime/Persistence.swift
index 21cfb61..af0064d 100644
--- a/CubeTime/Persistence.swift
+++ b/CubeTime/Persistence.swift
@@ -25,8 +25,15 @@ struct PersistenceController {
             container.persistentStoreDescriptions.first!.url = URL(fileURLWithPath: "/dev/null")
         } else {
             container = NSPersistentCloudKitContainer(name: "txmerdata")
+
+            let description = container.persistentStoreDescriptions.first!
+            description.cloudKitContainerOptions = NSPersistentCloudKitContainerOptions(
+                containerIdentifier: "iCloud.com.cubetime.cubetime"
+            )
+            description.setOption(true as NSNumber, forKey: NSPersistentHistoryTrackingKey)
+            description.setOption(true as NSNumber, forKey: NSPersistentStoreRemoteChangeNotificationPostOptionKey)
         }
-        
+
         container.loadPersistentStores(completionHandler: { (storeDescription, error) in
             if let error = error as NSError? {
                 // Replace this implementation with code to handle the error appropriately.