diff --git a/Telegram/SourceFiles/core/update_checker.cpp b/Telegram/SourceFiles/core/update_checker.cpp
index 69ba0f74b5..af4ceec77e 100644
--- a/Telegram/SourceFiles/core/update_checker.cpp
+++ b/Telegram/SourceFiles/core/update_checker.cpp
@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "core/update_checker.h"
 
+#include "platform/platform_specific.h"
 #include "base/platform/base_platform_info.h"
 #include "base/platform/base_platform_file_utilities.h"
 #include "base/timer.h"
@@ -1575,9 +1576,16 @@ void UpdateApplication() {
 			return "https://www.microsoft.com/en-us/store/p/telegram-desktop/9nztwsqntd0s";
 #elif defined OS_MAC_STORE // OS_WIN_STORE
 			return "https://itunes.apple.com/ae/app/telegram-desktop/id946399090";
-#else // OS_WIN_STORE || OS_MAC_STORE
+#elif defined Q_OS_UNIX && !defined Q_OS_MAC // OS_WIN_STORE || OS_MAC_STORE
+			if (Platform::InFlatpak()) {
+				return "https://flathub.org/apps/details/org.telegram.desktop";
+			} else if (Platform::InSnap()) {
+				return "https://snapcraft.io/telegram-desktop";
+			}
 			return "https://desktop.telegram.org";
-#endif // OS_WIN_STORE || OS_MAC_STORE
+#else // OS_WIN_STORE || OS_MAC_STORE || (defined Q_OS_UNIX && !defined Q_OS_MAC)
+			return "https://desktop.telegram.org";
+#endif // OS_WIN_STORE || OS_MAC_STORE || (defined Q_OS_UNIX && !defined Q_OS_MAC)
 		}();
 		UrlClickHandler::Open(url);
 	} else {
diff --git a/Telegram/SourceFiles/mtproto/session_private.cpp b/Telegram/SourceFiles/mtproto/session_private.cpp
index b796701f1a..c5598031c2 100644
--- a/Telegram/SourceFiles/mtproto/session_private.cpp
+++ b/Telegram/SourceFiles/mtproto/session_private.cpp
@@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mtproto/mtproto_rpc_sender.h"
 #include "mtproto/mtproto_dc_options.h"
 #include "mtproto/connection_abstract.h"
+#include "platform/platform_specific.h"
 #include "base/openssl_help.h"
 #include "base/qthelp_url.h"
 #include "base/unixtime.h"
@@ -637,9 +638,20 @@ void SessionPrivate::tryToSend() {
 #elif defined OS_WIN_STORE // OS_MAC_STORE
 		const auto appVersion = QString::fromLatin1(AppVersionStr)
 			+ " win store";
-#else // OS_MAC_STORE || OS_WIN_STORE
+#elif defined Q_OS_UNIX && !defined Q_OS_MAC // OS_MAC_STORE || OS_WIN_STORE
+		const auto appVersion = [] {
+			if (Platform::InFlatpak()) {
+				return QString::fromLatin1(AppVersionStr)
+					+ " flatpak";
+			} else if (Platform::InSnap()) {
+				return QString::fromLatin1(AppVersionStr)
+					+ " snap";
+			}
+			return QString::fromLatin1(AppVersionStr);
+		}();
+#else // OS_MAC_STORE || OS_WIN_STORE || (defined Q_OS_UNIX && !defined Q_OS_MAC)
 		const auto appVersion = QString::fromLatin1(AppVersionStr);
-#endif // OS_MAC_STORE || OS_WIN_STORE
+#endif // OS_MAC_STORE || OS_WIN_STORE || (defined Q_OS_UNIX && !defined Q_OS_MAC)
 		const auto proxyType = _options->proxy.type;
 		const auto mtprotoProxy = (proxyType == ProxyData::Type::Mtproto);
 		const auto clientProxyFields = mtprotoProxy