diff --git a/Telegram/SourceFiles/storage/serialize_peer.cpp b/Telegram/SourceFiles/storage/serialize_peer.cpp
index 15312a8ae..28c128399 100644
--- a/Telegram/SourceFiles/storage/serialize_peer.cpp
+++ b/Telegram/SourceFiles/storage/serialize_peer.cpp
@@ -324,12 +324,10 @@ PeerData *readPeer(
 	}
 	if (apply) {
 		using LocationType = StorageFileLocation::Type;
-		const auto location = (userpic->valid() && userpic->isLegacy())
-			? userpic->convertToModern(
-				LocationType::PeerPhoto,
-				result->id.value,
-				userpicAccessHash)
-			: *userpic;
+		const auto location = userpic->convertToModernPeerPhoto(
+			result->id.value,
+			userpicAccessHash,
+			photoId);
 		result->setUserpic(photoId, location);
 	}
 	return result;
@@ -342,7 +340,7 @@ QString peekUserPhone(int streamAppVersion, QDataStream &stream) {
 	DEBUG_LOG(("peekUserPhone.id: %1").arg(peerId.value));
 	if (!peerId
 		|| !peerIsUser(peerId)
-		|| !readStorageImageLocation(streamAppVersion, stream)) {
+		|| !readImageLocation(streamAppVersion, stream)) {
 		return QString();
 	}
 
diff --git a/Telegram/SourceFiles/storage/storage_account.cpp b/Telegram/SourceFiles/storage/storage_account.cpp
index f77f9b8a1..c35b6c5ce 100644
--- a/Telegram/SourceFiles/storage/storage_account.cpp
+++ b/Telegram/SourceFiles/storage/storage_account.cpp
@@ -1683,10 +1683,8 @@ void Account::readStickerSets(
 		if (!thumbnail || !CheckStreamStatus(stickers.stream)) {
 			return failed();
 		} else if (thumbnail->valid() && thumbnail->isLegacy()) {
-			setThumbnail = thumbnail->convertToModern(
-				LocationType::StickerSetThumb,
-				setId,
-				setAccess);
+			// No thumb_version information in legacy location.
+			return failed();
 		} else {
 			setThumbnail = *thumbnail;
 		}
diff --git a/Telegram/SourceFiles/ui/image/image_location.cpp b/Telegram/SourceFiles/ui/image/image_location.cpp
index 8be9a22b5..942a94ab5 100644
--- a/Telegram/SourceFiles/ui/image/image_location.cpp
+++ b/Telegram/SourceFiles/ui/image/image_location.cpp
@@ -177,18 +177,25 @@ StorageFileLocation::StorageFileLocation(
 	});
 }
 
-StorageFileLocation StorageFileLocation::convertToModern(
-		Type type,
+StorageFileLocation StorageFileLocation::convertToModernPeerPhoto(
 		uint64 id,
-		uint64 accessHash) const {
-	Expects(_type == Type::Legacy);
-	Expects(type == Type::PeerPhoto || type == Type::StickerSetThumb);
+		uint64 accessHash,
+		uint64 photoId) const {
+	if (_type != Type::Legacy && _type != Type::PeerPhoto) {
+		return *this;
+	} else if (!photoId) {
+		return StorageFileLocation();
+	}
 
 	auto result = *this;
-	result._type = type;
+	result._type = Type::PeerPhoto;
 	result._id = id;
 	result._accessHash = accessHash;
-	result._sizeLetter = (type == Type::PeerPhoto) ? uint8('a') : uint8(0);
+	result._sizeLetter = uint8('a');
+	result._volumeId = photoId;
+	result._localId = 0;
+	result._inMessagePeerId = 0;
+	result._inMessageId = 0;
 	return result;
 }
 
@@ -310,7 +317,7 @@ int StorageFileLocation::serializeSize() const {
 }
 
 std::optional<StorageFileLocation> StorageFileLocation::FromSerialized(
-	const QByteArray &serialized) {
+		const QByteArray &serialized) {
 	if (serialized.isEmpty()) {
 		return StorageFileLocation();
 	}
@@ -386,6 +393,11 @@ std::optional<StorageFileLocation> StorageFileLocation::FromSerialized(
 				: peerFromChannel(ChannelId(-field2)))
 			: PeerId();
 	}
+	if (result._type == Type::StickerSetThumb && result._volumeId != 0) {
+		// Legacy field values that cannot be converted to modern.
+		// No information about thumb_version, which is required.
+		return std::nullopt;
+	}
 
 	return (stream.status() == QDataStream::Ok && result.valid())
 		? std::make_optional(result)
@@ -882,15 +894,17 @@ std::optional<DownloadLocation> DownloadLocation::FromSerialized(
 	return std::nullopt;
 }
 
-DownloadLocation DownloadLocation::convertToModern(
-		StorageFileLocation::Type type,
+DownloadLocation DownloadLocation::convertToModernPeerPhoto(
 		uint64 id,
-		uint64 accessHash) const {
+		uint64 accessHash,
+		uint64 photoId) const {
 	if (!v::is<StorageFileLocation>(data)) {
 		return *this;
 	}
 	auto &file = v::get<StorageFileLocation>(data);
-	return DownloadLocation{ file.convertToModern(type, id, accessHash) };
+	return DownloadLocation{
+		file.convertToModernPeerPhoto(id, accessHash, photoId)
+	};
 }
 
 Storage::Cache::Key DownloadLocation::cacheKey() const {
diff --git a/Telegram/SourceFiles/ui/image/image_location.h b/Telegram/SourceFiles/ui/image/image_location.h
index efa1d88a2..f406e10a5 100644
--- a/Telegram/SourceFiles/ui/image/image_location.h
+++ b/Telegram/SourceFiles/ui/image/image_location.h
@@ -70,10 +70,10 @@ public:
 		UserId self,
 		const MTPInputFileLocation &tl);
 
-	[[nodiscard]] StorageFileLocation convertToModern(
-		Type type,
+	[[nodiscard]] StorageFileLocation convertToModernPeerPhoto(
 		uint64 id,
-		uint64 accessHash) const;
+		uint64 accessHash,
+		uint64 photoId) const;
 
 	[[nodiscard]] int32 dcId() const;
 	[[nodiscard]] uint64 objectId() const;
@@ -157,12 +157,12 @@ public:
 	[[nodiscard]] static std::optional<StorageImageLocation> FromSerialized(
 		const QByteArray &serialized);
 
-	[[nodiscard]] StorageImageLocation convertToModern(
-			StorageFileLocation::Type type,
+	[[nodiscard]] StorageImageLocation convertToModernPeerPhoto(
 			uint64 id,
-			uint64 accessHash) const {
+			uint64 accessHash,
+			uint64 photoId) const {
 		return StorageImageLocation(
-			_file.convertToModern(type, id, accessHash),
+			_file.convertToModernPeerPhoto(id, accessHash, photoId),
 			_width,
 			_height);
 	}
@@ -461,10 +461,10 @@ public:
 	[[nodiscard]] static std::optional<DownloadLocation> FromSerialized(
 		const QByteArray &serialized);
 
-	[[nodiscard]] DownloadLocation convertToModern(
-		StorageFileLocation::Type type,
+	[[nodiscard]] DownloadLocation convertToModernPeerPhoto(
 		uint64 id,
-		uint64 accessHash) const;
+		uint64 accessHash,
+		uint64 photoId) const;
 
 	[[nodiscard]] Storage::Cache::Key cacheKey() const;
 	[[nodiscard]] Storage::Cache::Key bigFileBaseCacheKey() const;
@@ -524,12 +524,12 @@ public:
 	[[nodiscard]] static std::optional<ImageLocation> FromSerialized(
 		const QByteArray &serialized);
 
-	[[nodiscard]] ImageLocation convertToModern(
-			StorageFileLocation::Type type,
+	[[nodiscard]] ImageLocation convertToModernPeerPhoto(
 			uint64 id,
-			uint64 accessHash) const {
+			uint64 accessHash,
+			uint64 photoId) const {
 		return ImageLocation(
-			_file.convertToModern(type, id, accessHash),
+			_file.convertToModernPeerPhoto(id, accessHash, photoId),
 			_width,
 			_height);
 	}