diff --git a/GraphicsView/include/CGAL/Qt/image_interface.h b/GraphicsView/include/CGAL/Qt/image_interface.h
index 0adee0c34c9..d76fd993efe 100644
--- a/GraphicsView/include/CGAL/Qt/image_interface.h
+++ b/GraphicsView/include/CGAL/Qt/image_interface.h
@@ -24,6 +24,8 @@
 
 #ifndef CGAL_IMAGE_INTERFACE_H
 #define CGAL_IMAGE_INTERFACE_H
+#include <CGAL/license/GraphicsView.h>
+
 #include <QDialog>
 #include <QWidget>
 #include <QApplication>