diff --git a/Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp b/Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp
index 2fb223b15f..a3885c7eaa 100644
--- a/Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp
+++ b/Telegram/SourceFiles/history/view/history_view_top_bar_widget.cpp
@@ -230,6 +230,11 @@ void TopBarWidget::groupCall() {
 			} else {
 				Core::App().calls().startGroupCall(megagroup);
 			}
+		} else if (const auto chat = peer->asChat()) {
+			const auto start = [=](not_null<ChannelData*> megagroup) {
+				Core::App().calls().startGroupCall(megagroup);
+			};
+			peer->session().api().migrateChat(chat, crl::guard(this, start));
 		}
 	}
 }
@@ -731,6 +736,8 @@ void TopBarWidget::updateControlsVisibility() {
 		if (const auto peer = _activeChat.key.peer()) {
 			if (const auto megagroup = peer->asMegagroup()) {
 				return megagroup->canManageCall();
+			} else if (const auto chat = peer->asChat()) {
+				return chat->amCreator();
 			}
 		}
 		return false;
diff --git a/Telegram/lib_base b/Telegram/lib_base
index 01a7497eb8..69f70b8f47 160000
--- a/Telegram/lib_base
+++ b/Telegram/lib_base
@@ -1 +1 @@
-Subproject commit 01a7497eb84abc2353011d7f5dd4a5e6441e6957
+Subproject commit 69f70b8f47a8c0e3bf75a3ae38d39bd1877655d0
diff --git a/cmake b/cmake
index 28b11b099a..f29f5e727f 160000
--- a/cmake
+++ b/cmake
@@ -1 +1 @@
-Subproject commit 28b11b099ad54151f38b7d5c0c00ff9ce12d4674
+Subproject commit f29f5e727f9a4e947ce7cc4456256eb07d3c8c7f