diff --git a/Telegram/SourceFiles/platform/mac/info_mac.mm b/Telegram/SourceFiles/platform/mac/info_mac.mm
index b6fc822937..f1c52e6490 100644
--- a/Telegram/SourceFiles/platform/mac/info_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/info_mac.mm
@@ -115,6 +115,9 @@ QString SystemLanguage() {
 }
 
 QDate WhenSystemBecomesOutdated() {
+	if (!IsMac10_10OrGreater()) {
+		return QDate(2019, 9, 1);
+	}
 	return QDate();
 }