diff --git a/Telegram/SourceFiles/calls/calls_call.cpp b/Telegram/SourceFiles/calls/calls_call.cpp
index 6b459e2ad..107ca4eeb 100644
--- a/Telegram/SourceFiles/calls/calls_call.cpp
+++ b/Telegram/SourceFiles/calls/calls_call.cpp
@@ -16,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/boxes/confirm_box.h"
 #include "ui/boxes/rate_call_box.h"
 #include "calls/calls_instance.h"
+#include "base/battery_saving.h"
 #include "base/openssl_help.h"
 #include "base/random.h"
 #include "mtproto/mtproto_dh_utils.h"
@@ -1070,6 +1071,15 @@ void Call::createAndStartController(const MTPDphoneCall &call) {
 	_muted.value() | rpl::start_with_next([=](bool muted) {
 		Core::App().mediaDevices().setCaptureMuted(muted);
 	}, _instanceLifetime);
+
+	Core::App().batterySaving().value(
+	) | rpl::start_with_next([=](bool isSaving) {
+		crl::on_main(weak, [=] {
+			if (_instance) {
+				_instance->setIsLowBatteryLevel(isSaving);
+			}
+		});
+	}, _instanceLifetime);
 }
 
 void Call::handleControllerStateChange(tgcalls::State state) {