diff --git a/Telegram/SourceFiles/mtproto/session_private.cpp b/Telegram/SourceFiles/mtproto/session_private.cpp
index fcb67f2deb..0bd74787a6 100644
--- a/Telegram/SourceFiles/mtproto/session_private.cpp
+++ b/Telegram/SourceFiles/mtproto/session_private.cpp
@@ -74,12 +74,18 @@ using namespace details;
 }
 
 [[nodiscard]] QString ComputeAppVersion() {
-	return QString::fromLatin1(AppVersionStr) + ([] {
+#if defined Q_OS_WIN && defined Q_PROCESSOR_X86_64
+	const auto arch = u" x64"_q;
+#elif (defined Q_OS_WIN && defined Q_PROCESSOR_X86_32) || defined Q_PROCESSOR_X86_64
+	const auto arch = QString();
+#else
+	const auto arch = ' ' + QSysInfo::buildCpuArchitecture();
+#endif
+	return QString::fromLatin1(AppVersionStr) + arch + ([] {
 #if defined OS_MAC_STORE
 		return u" Mac App Store"_q;
 #elif defined OS_WIN_STORE // OS_MAC_STORE
-		return (Platform::IsWindows64Bit() ? u" x64"_q : QString())
-			+ u" Microsoft Store"_q;
+		return u" Microsoft Store"_q;
 #elif defined Q_OS_UNIX && !defined Q_OS_MAC // OS_MAC_STORE || OS_WIN_STORE
 		return Platform::InFlatpak()
 			? u" Flatpak"_q
@@ -87,7 +93,7 @@ using namespace details;
 			? u" Snap"_q
 			: QString();
 #else // OS_MAC_STORE || OS_WIN_STORE || (defined Q_OS_UNIX && !defined Q_OS_MAC)
-		return Platform::IsWindows64Bit() ? u" x64"_q : QString();
+		return QString();
 #endif // OS_MAC_STORE || OS_WIN_STORE || (defined Q_OS_UNIX && !defined Q_OS_MAC)
 	})();
 }