diff --git a/Telegram/Resources/langs/lang.strings b/Telegram/Resources/langs/lang.strings
index 95f1fa240..78097555e 100644
--- a/Telegram/Resources/langs/lang.strings
+++ b/Telegram/Resources/langs/lang.strings
@@ -1703,6 +1703,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_star_ref_link_copy_users#other" = "{count} users have opened {app} through this link.";
 "lng_star_ref_link_copied_title" = "Link copied to clipboard";
 "lng_star_ref_link_copied_text" = "Share this link and earn {amount} of what people who use it spend in {app}!";
+"lng_star_ref_stopped" = "This link was part of an affiliate program that has been terminated by the app owner.";
 
 "lng_manage_discussion_group" = "Discussion";
 "lng_manage_discussion_group_add" = "Add a group";
diff --git a/Telegram/SourceFiles/window/window_session_controller.cpp b/Telegram/SourceFiles/window/window_session_controller.cpp
index 5424cfcef..cc73eddba 100644
--- a/Telegram/SourceFiles/window/window_session_controller.cpp
+++ b/Telegram/SourceFiles/window/window_session_controller.cpp
@@ -472,7 +472,9 @@ void SessionNavigation::resolveUsername(
 		resolveDone(result, done);
 	}).fail([=](const MTP::Error &error) {
 		_resolveRequestId = 0;
-		if (error.code() == 400) {
+		if (error.type() == u"STARREF_EXPIRED"_q) {
+			parentController()->showToast(tr::lng_star_ref_stopped(tr::now));
+		} else if (error.code() == 400) {
 			parentController()->show(
 				Ui::MakeInformBox(
 					tr::lng_username_not_found(tr::now, lt_user, username)),