diff --git a/src/platform.cpp b/src/platform.cpp
index cbdd79240..ed3cea9e3 100644
--- a/src/platform.cpp
+++ b/src/platform.cpp
@@ -1,3 +1,19 @@
+/*
+    Copyright (C) 2014 by Project Tox <https://tox.im>
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    This program is libre software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+    See the COPYING file for more details.
+*/
+
 #include "platform.h"
 #include <QDebug>
 #if defined(Q_OS_WIN32)
@@ -9,13 +25,13 @@
 #include <X11/extensions/scrnsaver.h>
 #endif
 
-u_int32_t Platform::getIdleTime()
+uint32_t Platform::getIdleTime()
 {
     // http://qt-project.org/faq/answer/how_can_i_detect_a_period_of_no_user_interaction
     // Detecting global inactivity, like Skype, is possible but not via Qt:
     // http://stackoverflow.com/a/21905027/1497645
     // https://hg.pidgin.im/pidgin/main/file/13e4ae613a6a/pidgin/gtkidle.c
-    u_int32_t idleTime = 0;
+    uint32_t idleTime = 0;
 
 #if defined(Q_OS_WIN32)
     LASTINPUTINFO info = { 0 };
@@ -24,7 +40,7 @@ u_int32_t Platform::getIdleTime()
 #elif defined(__APPLE__) && defined(__MACH__)
     static io_service_t service = NULL;
     CFTypeRef property;
-    u_int64_t idleTime_ns = 0;
+    uint64_t idleTime_ns = 0;
 
     if (!service)
     {
diff --git a/src/platform.h b/src/platform.h
index d943582f0..b1be2d945 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -1,13 +1,29 @@
+/*
+    Copyright (C) 2014 by Project Tox <https://tox.im>
+
+    This file is part of qTox, a Qt-based graphical interface for Tox.
+
+    This program is libre software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+    See the COPYING file for more details.
+*/
+
 #ifndef PLATFORM_H
 #define PLATFORM_H
 
-#include <sys/types.h>
+#include <cstdint>
 
 /* Platform-dependent code */
 
 namespace Platform
 {
-    u_int32_t getIdleTime();
+    uint32_t getIdleTime();
 }
 
 #endif // PLATFORM_H
diff --git a/src/widget/widget.cpp b/src/widget/widget.cpp
index cb2ea4703..b7d0bfdf3 100644
--- a/src/widget/widget.cpp
+++ b/src/widget/widget.cpp
@@ -1080,7 +1080,7 @@ bool Widget::event(QEvent * e)
 
 void Widget::onUserAwayCheck()
 {
-    u_int32_t autoAwayTime = Settings::getInstance().getAutoAwayTime() * 60 * 1000;
+    uint32_t autoAwayTime = Settings::getInstance().getAutoAwayTime() * 60 * 1000;
     if(ui->statusButton->property("status").toString() == "online")
     {
         if(autoAwayTime)