diff --git a/Telegram/SourceFiles/boxes/peer_list_box.cpp b/Telegram/SourceFiles/boxes/peer_list_box.cpp
index b47d4b203..9baed5c6c 100644
--- a/Telegram/SourceFiles/boxes/peer_list_box.cpp
+++ b/Telegram/SourceFiles/boxes/peer_list_box.cpp
@@ -543,6 +543,10 @@ auto PeerListBox::collectSelectedRows()
 	return result;
 }
 
+rpl::producer<int> PeerListBox::multiSelectHeightValue() const {
+	return _select ? _select->heightValue() : rpl::single(0);
+}
+
 PeerListRow::PeerListRow(not_null<PeerData*> peer)
 : PeerListRow(peer, peer->id.value) {
 }
diff --git a/Telegram/SourceFiles/boxes/peer_list_box.h b/Telegram/SourceFiles/boxes/peer_list_box.h
index ce1cc1220..658eb4f31 100644
--- a/Telegram/SourceFiles/boxes/peer_list_box.h
+++ b/Telegram/SourceFiles/boxes/peer_list_box.h
@@ -1102,6 +1102,7 @@ public:
 
 	[[nodiscard]] std::vector<PeerListRowId> collectSelectedIds();
 	[[nodiscard]] std::vector<not_null<PeerData*>> collectSelectedRows();
+	[[nodiscard]] rpl::producer<int> multiSelectHeightValue() const;
 
 	void peerListSetTitle(rpl::producer<QString> title) override {
 		setTitle(std::move(title));