diff --git a/src/adaptors/UBExportFullPDF.cpp b/src/adaptors/UBExportFullPDF.cpp
index eee66f5d..cada6124 100644
--- a/src/adaptors/UBExportFullPDF.cpp
+++ b/src/adaptors/UBExportFullPDF.cpp
@@ -29,6 +29,7 @@
 
 #include <QtCore>
 #include <QtSvg>
+#include <QPrinter>
 
 #include "core/UBApplication.h"
 #include "core/UBSettings.h"
diff --git a/src/adaptors/UBExportPDF.cpp b/src/adaptors/UBExportPDF.cpp
index 4e231c14..9906ece3 100644
--- a/src/adaptors/UBExportPDF.cpp
+++ b/src/adaptors/UBExportPDF.cpp
@@ -29,6 +29,7 @@
 
 #include <QtCore>
 #include <QtSvg>
+#include <QPrinter>
 
 #include "core/UBApplication.h"
 #include "core/UBSettings.h"
diff --git a/src/adaptors/UBSvgSubsetAdaptor.h b/src/adaptors/UBSvgSubsetAdaptor.h
index c7a3a2e8..7bc1c88b 100644
--- a/src/adaptors/UBSvgSubsetAdaptor.h
+++ b/src/adaptors/UBSvgSubsetAdaptor.h
@@ -30,6 +30,7 @@
 
 #include <QtGui>
 #include <QtXml>
+#include <QGraphicsItem>
 
 #include "frameworks/UBGeometryUtils.h"
 
diff --git a/src/pdf/GraphicsPDFItem.h b/src/pdf/GraphicsPDFItem.h
index afc4c6ea..e85a6953 100644
--- a/src/pdf/GraphicsPDFItem.h
+++ b/src/pdf/GraphicsPDFItem.h
@@ -28,7 +28,7 @@
 #ifndef GRAPHICSPDFITEM_H
 #define GRAPHICSPDFITEM_H
 
-#include <QtGui/QGraphicsItem>
+#include <QtWidgets>
 #include <QtCore/QObject>
 
 #include "PDFRenderer.h"