diff --git a/Telegram/SourceFiles/media/media_audio.cpp b/Telegram/SourceFiles/media/media_audio.cpp
index c968c4882..443f510a9 100644
--- a/Telegram/SourceFiles/media/media_audio.cpp
+++ b/Telegram/SourceFiles/media/media_audio.cpp
@@ -1749,7 +1749,7 @@ public:
 			return false;
 		}
 
-		int64 sum = std::accumulate(peaks.cbegin(), peaks.cend(), 0ULL);
+		auto sum = std::accumulate(peaks.cbegin(), peaks.cend(), 0LL);
 		peak = qMax(int32(sum * 1.8 / peaks.size()), 2500);
 
 		result.resize(peaks.size());
diff --git a/Telegram/SourceFiles/media/media_audio_capture.cpp b/Telegram/SourceFiles/media/media_audio_capture.cpp
index 480541eca..cc23e457f 100644
--- a/Telegram/SourceFiles/media/media_audio_capture.cpp
+++ b/Telegram/SourceFiles/media/media_audio_capture.cpp
@@ -29,6 +29,8 @@ Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 #define AL_ALEXT_PROTOTYPES
 #include <AL/alext.h>
 
+#include <numeric>
+
 namespace Media {
 namespace Capture {
 namespace {
@@ -412,7 +414,7 @@ void Instance::Inner::onStop(bool needResult) {
 				}
 			}
 
-			int64 sum = std::accumulate(peaks.cbegin(), peaks.cend(), 0ULL);
+			auto sum = std::accumulate(peaks.cbegin(), peaks.cend(), 0LL);
 			peak = qMax(int32(sum * 1.8 / peaks.size()), 2500);
 
 			waveform.resize(peaks.size());