diff --git a/include/wx/generic/grid.h b/include/wx/generic/grid.h
index 3add2b3c6a..9154f8970c 100644
--- a/include/wx/generic/grid.h
+++ b/include/wx/generic/grid.h
@@ -1824,7 +1824,7 @@ protected:
     bool GetModelValues();
     bool SetModelValues();
 
-        friend class wxGridSelection;
+    friend class WXDLLEXPORT wxGridSelection;
 
     DECLARE_DYNAMIC_CLASS( wxGrid )
     DECLARE_EVENT_TABLE()
diff --git a/include/wx/generic/gridsel.h b/include/wx/generic/gridsel.h
index 4645f2c142..87fc640315 100644
--- a/include/wx/generic/gridsel.h
+++ b/include/wx/generic/gridsel.h
@@ -82,7 +82,7 @@ private:
     wxGrid                              *m_grid;
     wxGrid::wxGridSelectionModes        m_selectionMode;
 
-    friend class wxGrid;
+    friend class WXDLLEXPORT wxGrid;
 };
 
 #endif  // #ifdef __WXGRIDSEL_H__