diff --git a/Telegram/SourceFiles/data/components/recent_peers.cpp b/Telegram/SourceFiles/data/components/recent_peers.cpp
index 58fb7dfcc..0917be2b9 100644
--- a/Telegram/SourceFiles/data/components/recent_peers.cpp
+++ b/Telegram/SourceFiles/data/components/recent_peers.cpp
@@ -112,6 +112,7 @@ void RecentPeers::applyLocal(QByteArray serialized) {
 		).arg(streamAppVersion));
 	_list.reserve(count);
 	for (auto i = 0; i != int(count); ++i) {
+		const auto streamPosition = stream.underlying().device()->pos();
 		const auto peer = Serialize::readPeer(
 			_session,
 			streamAppVersion,
@@ -123,6 +124,8 @@ void RecentPeers::applyLocal(QByteArray serialized) {
 			DEBUG_LOG(("Suggestions: Failed RecentPeers reading %1 / %2."
 				).arg(i + 1
 				).arg(count));
+			DEBUG_LOG(("Failed bytes: %1.").arg(
+				QString::fromUtf8(serialized.mid(streamPosition).toHex())));
 			_list.clear();
 			return;
 		}
diff --git a/Telegram/SourceFiles/data/components/top_peers.cpp b/Telegram/SourceFiles/data/components/top_peers.cpp
index 1d6307220..e068be199 100644
--- a/Telegram/SourceFiles/data/components/top_peers.cpp
+++ b/Telegram/SourceFiles/data/components/top_peers.cpp
@@ -300,6 +300,7 @@ void TopPeers::applyLocal(QByteArray serialized) {
 	_list.reserve(count);
 	for (auto i = 0; i != int(count); ++i) {
 		auto rating = quint64();
+		const auto streamPosition = stream.underlying().device()->pos();
 		const auto peer = Serialize::readPeer(
 			_session,
 			streamAppVersion,
@@ -313,6 +314,8 @@ void TopPeers::applyLocal(QByteArray serialized) {
 		} else {
 			DEBUG_LOG(("Suggestions: "
 				"Failed TopPeers reading %1 / %2.").arg(i + 1).arg(count));
+			DEBUG_LOG(("Failed bytes: %1.").arg(
+				QString::fromUtf8(serialized.mid(streamPosition).toHex())));
 			_list.clear();
 			return;
 		}