diff --git a/Telegram/SourceFiles/data/data_session.cpp b/Telegram/SourceFiles/data/data_session.cpp
index f06cf74fc..0b3ebbe2d 100644
--- a/Telegram/SourceFiles/data/data_session.cpp
+++ b/Telegram/SourceFiles/data/data_session.cpp
@@ -805,6 +805,8 @@ not_null<PeerData*> Session::processChat(const MTPChat &data) {
 		const auto canViewMembers = channel->canViewMembers();
 		const auto canAddMembers = channel->canAddMembers();
 
+		const auto wasCallNotEmpty = Data::ChannelHasActiveCall(channel);
+
 		if (const auto count = data.vparticipants_count()) {
 			channel->setMembersCount(count->v);
 		}
@@ -912,6 +914,9 @@ not_null<PeerData*> Session::processChat(const MTPChat &data) {
 			|| canAddMembers != channel->canAddMembers()) {
 			flags |= UpdateFlag::Rights;
 		}
+		if (wasCallNotEmpty != Data::ChannelHasActiveCall(channel)) {
+			flags |= UpdateFlag::GroupCall;
+		}
 	}, [&](const MTPDchannelForbidden &data) {
 		const auto channel = result->asChannel();