--- a/src/gui/src/CommandProcess.h
+++ b/src/gui/src/CommandProcess.h
@@ -18,6 +18,7 @@
 #ifndef COMMANDTHREAD_H
 #define COMMANDTHREAD_H
 
+#include <QObject>
 #include <QStringList>
 
 class CommandProcess : public QObject
--- a/src/gui/src/ActionDialog.cpp
+++ b/src/gui/src/ActionDialog.cpp
@@ -25,6 +25,7 @@
 
 #include <QtCore>
 #include <QtGui>
+#include <QButtonGroup>
 
 ActionDialog::ActionDialog(QWidget* parent, ServerConfig& config, Hotkey& hotkey, Action& action) :
 	QDialog(parent, Qt::WindowTitleHint | Qt::WindowSystemMenuHint),
--- a/src/gui/src/ScreenSetupView.cpp
+++ b/src/gui/src/ScreenSetupView.cpp
@@ -22,6 +22,7 @@
 
 #include <QtCore>
 #include <QtGui>
+#include <QHeaderView>
 
 ScreenSetupView::ScreenSetupView(QWidget* parent) :
 	QTableView(parent)