diff --git a/iOS/TitleActivityItemSource.swift b/iOS/TitleActivityItemSource.swift
index 1e84f9002..428b75f04 100644
--- a/iOS/TitleActivityItemSource.swift
+++ b/iOS/TitleActivityItemSource.swift
@@ -28,7 +28,9 @@ class TitleActivityItemSource: NSObject, UIActivityItemSource {
 
 		switch activityType.rawValue {
 		case "com.omnigroup.OmniFocus3.iOS.QuickEntry",
-			 "com.culturedcode.ThingsiPhone.ShareExtension":
+			 "com.culturedcode.ThingsiPhone.ShareExtension",
+			 "com.tapbots.Tweetbot4.shareextension",
+			 "com.buffer.buffer.Buffer":
 			return title
 		default:
 			return NSNull()