diff --git a/Telegram/Resources/tl/api.tl b/Telegram/Resources/tl/api.tl
index 1d57ee601..3e84689f1 100644
--- a/Telegram/Resources/tl/api.tl
+++ b/Telegram/Resources/tl/api.tl
@@ -1196,7 +1196,7 @@ groupCall#55903081 flags:# join_muted:flags.1?true can_change_join_muted:flags.2
 
 inputGroupCall#d8aa840f id:long access_hash:long = InputGroupCall;
 
-groupCallParticipant#64c62a15 flags:# muted:flags.0?true left:flags.1?true can_self_unmute:flags.2?true just_joined:flags.4?true versioned:flags.5?true muted_by_you:flags.9?true user_id:int date:int active_date:flags.3?int source:int volume:flags.7?int = GroupCallParticipant;
+groupCallParticipant#64c62a15 flags:# muted:flags.0?true left:flags.1?true can_self_unmute:flags.2?true just_joined:flags.4?true versioned:flags.5?true min:flags.8?true muted_by_you:flags.9?true user_id:int date:int active_date:flags.3?int source:int volume:flags.7?int = GroupCallParticipant;
 
 phone.groupCall#66ab0bfc call:GroupCall participants:Vector<GroupCallParticipant> participants_next_offset:string users:Vector<User> = phone.GroupCall;
 
diff --git a/Telegram/SourceFiles/calls/calls_group_call.cpp b/Telegram/SourceFiles/calls/calls_group_call.cpp
index 4b190dde5..9bdbcc2c6 100644
--- a/Telegram/SourceFiles/calls/calls_group_call.cpp
+++ b/Telegram/SourceFiles/calls/calls_group_call.cpp
@@ -595,6 +595,10 @@ void GroupCall::handleUpdate(const MTPDupdateGroupCallParticipants &data) {
 
 	const auto handleOtherParticipants = [=](
 			const MTPDgroupCallParticipant &data) {
+		if (data.is_min()) {
+			// No real information about mutedByMe or my custom volume.
+			return;
+		}
 		const auto user = _peer->owner().user(data.vuser_id().v);
 		const auto participant = LookupParticipant(_peer, _id, user);
 		if (!participant) {
diff --git a/Telegram/SourceFiles/data/data_group_call.cpp b/Telegram/SourceFiles/data/data_group_call.cpp
index 75bf646f1..cc280bb42 100644
--- a/Telegram/SourceFiles/data/data_group_call.cpp
+++ b/Telegram/SourceFiles/data/data_group_call.cpp
@@ -276,17 +276,25 @@ void GroupCall::applyParticipantsSlice(
 				&& ((was ? was->speaking : false)
 					|| (!amInCall
 						&& (lastActive + speakingAfterActive > now)));
-			const auto defaultVolume = Calls::Group::kDefaultVolume;
+			const auto volume = (was && data.is_min())
+				? was->volume
+				: data.vvolume().value_or(Calls::Group::kDefaultVolume);
+			const auto mutedByMe = (was && data.is_min())
+				? was->mutedByMe
+				: data.is_muted_by_you();
+			const auto onlyMinLoaded = data.is_min()
+				&& (!was || was->onlyMinLoaded);
 			const auto value = Participant{
 				.user = user,
 				.date = data.vdate().v,
 				.lastActive = lastActive,
 				.ssrc = uint32(data.vsource().v),
-				.volume = data.vvolume().value_or(defaultVolume),
+				.volume = volume,
 				.speaking = canSelfUnmute && (was ? was->speaking : false),
 				.muted = data.is_muted(),
-				.mutedByMe = data.is_muted_by_you(),
+				.mutedByMe = mutedByMe,
 				.canSelfUnmute = canSelfUnmute,
+				.onlyMinLoaded = onlyMinLoaded,
 			};
 			if (i == end(_participants)) {
 				_userBySsrc.emplace(value.ssrc, user);
@@ -358,11 +366,13 @@ void GroupCall::applyActiveUpdate(
 			not_null{ userLoaded },
 			&Participant::user)
 		: _participants.end();
-	if (i == end(_participants)) {
+	const auto notFound = (i == end(_participants));
+	const auto loadByUserId = notFound || i->onlyMinLoaded;
+	if (loadByUserId) {
 		_unknownSpokenUids[userId] = when;
 		requestUnknownParticipants();
-		return;
-	} else if (!i->canSelfUnmute) {
+	}
+	if (notFound || !i->canSelfUnmute) {
 		return;
 	}
 	const auto was = std::make_optional(*i);
diff --git a/Telegram/SourceFiles/data/data_group_call.h b/Telegram/SourceFiles/data/data_group_call.h
index da039bae2..fd01d3493 100644
--- a/Telegram/SourceFiles/data/data_group_call.h
+++ b/Telegram/SourceFiles/data/data_group_call.h
@@ -43,6 +43,7 @@ public:
 		bool muted = false;
 		bool mutedByMe = false;
 		bool canSelfUnmute = false;
+		bool onlyMinLoaded = false;
 	};
 	struct ParticipantUpdate {
 		std::optional<Participant> was;