diff --git a/Tusker/AppDelegate.swift b/Tusker/AppDelegate.swift
index b1340c4f..89545f68 100644
--- a/Tusker/AppDelegate.swift
+++ b/Tusker/AppDelegate.swift
@@ -111,7 +111,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         if let clazz = NSClassFromString("SentryInstallation"),
            let objClazz = clazz as AnyObject as? NSObjectProtocol,
            objClazz.responds(to: Selector(("id"))),
-           let id = objClazz.perform(Selector(("id"))).takeRetainedValue() as? String {
+           let id = objClazz.perform(Selector(("id"))).takeUnretainedValue() as? String {
             logger.info("Initialized Sentry with installation/user ID: \(id)")
         }
     }