--- src/app/qtsingleapplication/qtlocalpeer.cpp	2015-05-10 03:31:33.000000000 +0200
+++ src/app/qtsingleapplication/qtlocalpeer.cpp	2015-07-11 11:09:17.135167272 +0200
@@ -42,6 +42,7 @@
 #include "qtlocalpeer.h"
 #include <QCoreApplication>
 #include <QTime>
+#include <QDataStream>
 
 #if defined(Q_OS_WIN)
 #include <QLibrary>
