diff --git a/src/pch.h b/src/pch.h
index f1189708..af6355eb 100644
--- a/src/pch.h
+++ b/src/pch.h
@@ -9,6 +9,7 @@
 // network
 #include <QTcpServer>
 #include <QTcpSocket>
+#include <QUdpSocket>
 
 // other libraries
 typedef int LuaFunction;
diff --git a/src/server/server.cpp b/src/server/server.cpp
index e232d05e..a02b4631 100644
--- a/src/server/server.cpp
+++ b/src/server/server.cpp
@@ -7,6 +7,7 @@
 #include <qjsonvalue.h>
 #include <qobject.h>
 #include <qversionnumber.h>
+#include <QNetworkDatagram>
 
 #include <openssl/bn.h>
 
diff --git a/src/ui/qmlbackend.cpp b/src/ui/qmlbackend.cpp
index fdc34de0..a75809ce 100644
--- a/src/ui/qmlbackend.cpp
+++ b/src/ui/qmlbackend.cpp
@@ -7,6 +7,7 @@
 #include <qaudiooutput.h>
 #include <qmediaplayer.h>
 #include <qrandom.h>
+#include <QNetworkDatagram>
 
 #include <QClipboard>
 #include <QMediaPlayer>