diff --git a/Telegram/SourceFiles/core/changelogs.cpp b/Telegram/SourceFiles/core/changelogs.cpp
index b138b7135..c8c711ebb 100644
--- a/Telegram/SourceFiles/core/changelogs.cpp
+++ b/Telegram/SourceFiles/core/changelogs.cpp
@@ -80,6 +80,8 @@ Changelogs::Changelogs(not_null<Main::Session*> session, int oldVersion, int old
 , _oldVersion(oldVersion)
 , _oldKotatoVersion(oldKotatoVersion) {
 
+	LOG(("Previous Kotatogram version: %1").arg(_oldKotatoVersion));
+
 	_session->data().chatsListChanges(
 	) | rpl::filter([](Data::Folder *folder) {
 		return !folder;