2 files changed, 4 insertions, 0 deletions
diff --git a/src/datavisualization/axis/qabstract3daxis.h b/src/datavisualization/axis/qabstract3daxis.h
index 63dd0340..ff587acf 100644
--- a/src/datavisualization/axis/qabstract3daxis.h
+++ b/src/datavisualization/axis/qabstract3daxis.h
@@ -124,6 +124,8 @@ private:
 
     friend class Abstract3DController;
     friend class Bars3DController;
+    friend class QScatterDataProxyPrivate;
+    friend class QSurfaceDataProxyPrivate;
 };
 
 QT_END_NAMESPACE_DATAVISUALIZATION
diff --git a/src/datavisualization/axis/qabstract3daxis_p.h b/src/datavisualization/axis/qabstract3daxis_p.h
index deb53266..418fa449 100644
--- a/src/datavisualization/axis/qabstract3daxis_p.h
+++ b/src/datavisualization/axis/qabstract3daxis_p.h
@@ -84,6 +84,8 @@ protected:
     friend class QAbstract3DAxis;
     friend class QValue3DAxis;
     friend class QCategory3DAxis;
+    friend class QScatterDataProxyPrivate;
+    friend class QSurfaceDataProxyPrivate;
 };
 
 QT_END_NAMESPACE_DATAVISUALIZATION