diff --git a/src/Gui/QtAll.h b/src/Gui/QtAll.h
index 54034aa598..f119f65a5b 100644
--- a/src/Gui/QtAll.h
+++ b/src/Gui/QtAll.h
@@ -111,6 +111,7 @@
 #include <qpainter.h>
 #include <qpalette.h>
 #include <qpixmap.h>
+#include <QPdfWriter>
 #include <QPixmapCache>
 #include <QPlainTextEdit>
 #include <QPrinter>