diff --git a/iOS/SceneDelegate.swift b/iOS/SceneDelegate.swift
index b34b95dca..cb362d3fd 100644
--- a/iOS/SceneDelegate.swift
+++ b/iOS/SceneDelegate.swift
@@ -52,6 +52,7 @@ class SceneDelegate: UIResponder, UIWindowSceneDelegate {
 	}
 	
 	func sceneDidEnterBackground(_ scene: UIScene) {
+		TimelineStringFormatter.emptyCaches()
 		appDelegate.prepareAccountsForBackground()
 	}