diff --git a/iOS/AppDelegate.swift b/iOS/AppDelegate.swift
index aeb74260e..da4a43fee 100644
--- a/iOS/AppDelegate.swift
+++ b/iOS/AppDelegate.swift
@@ -411,7 +411,7 @@ private extension AppDelegate {
 		// set expiration handler
 		task.expirationHandler = { [weak task] in
 			os_log("Accounts refresh processing terminated for running too long.", log: self.log, type: .info)
-			DispatchQueue.main.sync {
+			DispatchQueue.main.async {
 				self.suspendApplication()
 				task?.setTaskCompleted(success: false)
 			}