diff --git a/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp b/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp
index 5395084ef..cd904bc05 100644
--- a/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp
+++ b/Telegram/SourceFiles/boxes/peers/add_participants_box.cpp
@@ -88,7 +88,7 @@ void AddParticipantsBoxController::subscribeToMigration() {
 }
 
 void AddParticipantsBoxController::rowClicked(not_null<PeerListRow*> row) {
-	const auto &serverConfig = _peer->session().serverConfig();
+	const auto &serverConfig = session().serverConfig();
 	auto count = fullCount();
 	auto limit = _peer && (_peer->isChat() || _peer->isMegagroup())
 		? serverConfig.megagroupSizeMax