diff --git a/src/frontends/qt4/QViewSource.cpp b/src/frontends/qt4/QViewSource.cpp
index d1110bed15..8d505d0f43 100644
--- a/src/frontends/qt4/QViewSource.cpp
+++ b/src/frontends/qt4/QViewSource.cpp
@@ -15,6 +15,9 @@
 #include "QViewSource.h"
 #include "qt_helpers.h"
 
+#include <boost/tuple/tuple.hpp>
+
+#include <QTextCursor>
 #include <QTextDocument>
 
 namespace lyx {