diff --git a/Telegram/CMakeLists.txt b/Telegram/CMakeLists.txt
index e1e298cf1..b422c16d6 100644
--- a/Telegram/CMakeLists.txt
+++ b/Telegram/CMakeLists.txt
@@ -669,6 +669,10 @@ set_target_properties(Telegram
 )
 cotire(Telegram)
 
+# See https://github.com/sakra/cotire/blob/master/MANUAL.md#objective-c
+# ObjC and ObjC++ files cannot be cotired, so they have to include appropriate Qt and Tg
+# headers themselves, this applies to macOS platform sources.
+
 ##======================
 
 # if (APPLE)
diff --git a/Telegram/SourceFiles/platform/mac/file_utilities_mac.mm b/Telegram/SourceFiles/platform/mac/file_utilities_mac.mm
index 5ec91732b..c47729098 100644
--- a/Telegram/SourceFiles/platform/mac/file_utilities_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/file_utilities_mac.mm
@@ -18,6 +18,7 @@ to link the code of portions of this program with the OpenSSL library.
 Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
 Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
+#include "stdafx.h"
 #include "platform/mac/file_utilities_mac.h"
 
 #include "platform/mac/mac_utilities.h"
diff --git a/Telegram/SourceFiles/platform/mac/mac_utilities.mm b/Telegram/SourceFiles/platform/mac/mac_utilities.mm
index 020fed534..0106f3b97 100644
--- a/Telegram/SourceFiles/platform/mac/mac_utilities.mm
+++ b/Telegram/SourceFiles/platform/mac/mac_utilities.mm
@@ -15,4 +15,5 @@ GNU General Public License for more details.
 Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
 Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
+#include "stdafx.h"
 #include "platform/mac/mac_utilities.h"
diff --git a/Telegram/SourceFiles/platform/mac/main_window_mac.mm b/Telegram/SourceFiles/platform/mac/main_window_mac.mm
index b433bcb64..423fcf48b 100644
--- a/Telegram/SourceFiles/platform/mac/main_window_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/main_window_mac.mm
@@ -15,6 +15,7 @@ GNU General Public License for more details.
 Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
 Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
+#include "stdafx.h"
 #include "platform/mac/main_window_mac.h"
 
 #include "styles/style_window.h"
diff --git a/Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm b/Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm
index d6e8e5d92..6d8ac0b17 100644
--- a/Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/notifications_manager_mac.mm
@@ -18,6 +18,7 @@ to link the code of portions of this program with the OpenSSL library.
 Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
 Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
+#include "stdafx.h"
 #include "platform/mac/notifications_manager_mac.h"
 
 #include "platform/platform_specific.h"
diff --git a/Telegram/SourceFiles/platform/mac/specific_mac.mm b/Telegram/SourceFiles/platform/mac/specific_mac.mm
index a801af673..e057d9b6c 100644
--- a/Telegram/SourceFiles/platform/mac/specific_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/specific_mac.mm
@@ -15,6 +15,7 @@ GNU General Public License for more details.
 Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
 Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
+#include "stdafx.h"
 #include "platform/mac/specific_mac.h"
 
 #include <cstdlib>
diff --git a/Telegram/SourceFiles/platform/mac/specific_mac_p.mm b/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
index 422add55f..1bdafebe7 100644
--- a/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
+++ b/Telegram/SourceFiles/platform/mac/specific_mac_p.mm
@@ -15,6 +15,7 @@ GNU General Public License for more details.
 Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
 Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
+#include "stdafx.h"
 #include "platform/mac/specific_mac_p.h"
 
 #include "mainwindow.h"
diff --git a/Telegram/SourceFiles/platform/mac/window_title_mac.mm b/Telegram/SourceFiles/platform/mac/window_title_mac.mm
index 0d5151e14..3e7ddaf52 100644
--- a/Telegram/SourceFiles/platform/mac/window_title_mac.mm
+++ b/Telegram/SourceFiles/platform/mac/window_title_mac.mm
@@ -18,6 +18,7 @@ to link the code of portions of this program with the OpenSSL library.
 Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
 Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
 */
+#include "stdafx.h"
 #include "platform/mac/window_title_mac.h"
 
 #include "mainwindow.h"