diff --git a/3rdparty/qtsingleapplication/qtlocalpeer.cpp b/3rdparty/qtsingleapplication/qtlocalpeer.cpp
index 1c89e3c00..837752b63 100644
--- a/3rdparty/qtsingleapplication/qtlocalpeer.cpp
+++ b/3rdparty/qtsingleapplication/qtlocalpeer.cpp
@@ -41,6 +41,7 @@
 #include "qtlocalpeer.h"
 #include <QCoreApplication>
 #include <QTime>
+#include <QDataStream>
 #include <unistd.h>
 
 #if defined(Q_OS_WIN)
diff --git a/3rdparty/vreen/vreen/src/api/attachment.cpp b/3rdparty/vreen/vreen/src/api/attachment.cpp
index 06c2e793d..cc69e9b98 100644
--- a/3rdparty/vreen/vreen/src/api/attachment.cpp
+++ b/3rdparty/vreen/vreen/src/api/attachment.cpp
@@ -25,6 +25,7 @@
 #include "attachment.h"
 #include <QSharedData>
 #include <QStringList>
+#include <QDataStream>
 
 namespace Vreen {
 
diff --git a/3rdparty/vreen/vreen/src/api/newsitem.cpp b/3rdparty/vreen/vreen/src/api/newsitem.cpp
index cca110233..561fe71af 100644
--- a/3rdparty/vreen/vreen/src/api/newsitem.cpp
+++ b/3rdparty/vreen/vreen/src/api/newsitem.cpp
@@ -28,6 +28,7 @@
 #include <QSharedData>
 #include <QStringList>
 #include <QDateTime>
+#include <QDataStream>
 
 namespace Vreen {
 
diff --git a/ext/libclementine-common/core/messagehandler.cpp b/ext/libclementine-common/core/messagehandler.cpp
index 1ea64929b..065964d5f 100644
--- a/ext/libclementine-common/core/messagehandler.cpp
+++ b/ext/libclementine-common/core/messagehandler.cpp
@@ -23,6 +23,7 @@
 
 #include <QAbstractSocket>
 #include <QLocalSocket>
+#include <QDataStream>
 
 _MessageHandlerBase::_MessageHandlerBase(QIODevice* device, QObject* parent)
     : QObject(parent),