diff --git a/Telegram/SourceFiles/data/business/data_business_common.cpp b/Telegram/SourceFiles/data/business/data_business_common.cpp
index 7da2970db..06cb17e91 100644
--- a/Telegram/SourceFiles/data/business/data_business_common.cpp
+++ b/Telegram/SourceFiles/data/business/data_business_common.cpp
@@ -231,8 +231,9 @@ WorkingIntervals ExtractDayIntervals(
 }
 
 bool IsFullOpen(const WorkingIntervals &extractedDay) {
-	return extractedDay
-		&& (extractedDay.list.front() == WorkingInterval{ 0, kDay });
+	return extractedDay // 00:00-23:59 or 00:00-00:00 (next day)
+		&& (extractedDay.list.front() == WorkingInterval{ 0, kDay - 60 }
+			|| extractedDay.list.front() == WorkingInterval{ 0, kDay });
 }
 
 WorkingIntervals RemoveDayIntervals(