diff --git a/clutter/clutter/clutter-stage-view.c b/clutter/clutter/clutter-stage-view.c
index 2b89bb273..e39927884 100644
--- a/clutter/clutter/clutter-stage-view.c
+++ b/clutter/clutter/clutter-stage-view.c
@@ -179,16 +179,24 @@ clutter_stage_view_set_dirty_projection (ClutterStageView *view,
   priv->dirty_projection = dirty;
 }
 
+void
+clutter_stage_view_get_offscreen_transformation_matrix (ClutterStageView *view,
+                                                        CoglMatrix       *matrix)
+{
+  ClutterStageViewClass *view_class = CLUTTER_STAGE_VIEW_GET_CLASS (view);
+
+  view_class->get_offscreen_transformation_matrix (view, matrix);
+}
+
 void
 clutter_stage_view_transform_to_onscreen (ClutterStageView *view,
                                           gfloat           *x,
                                           gfloat           *y)
 {
-  ClutterStageViewClass *view_class = CLUTTER_STAGE_VIEW_GET_CLASS (view);
   gfloat z = 0, w = 1;
   CoglMatrix matrix;
 
-  view_class->get_offscreen_transformation_matrix (view, &matrix);
+  clutter_stage_view_get_offscreen_transformation_matrix (view, &matrix);
   cogl_matrix_get_inverse (&matrix, &matrix);
   cogl_matrix_transform_point (&matrix, x, y, &z, &w);
 }
diff --git a/clutter/clutter/clutter-stage-view.h b/clutter/clutter/clutter-stage-view.h
index e820e9646..3eb8da452 100644
--- a/clutter/clutter/clutter-stage-view.h
+++ b/clutter/clutter/clutter-stage-view.h
@@ -70,4 +70,8 @@ gboolean clutter_stage_view_is_dirty_projection (ClutterStageView *view);
 void clutter_stage_view_set_dirty_projection (ClutterStageView *view,
                                               gboolean          dirty);
 
+CLUTTER_AVAILABLE_IN_MUTTER
+void clutter_stage_view_get_offscreen_transformation_matrix (ClutterStageView *view,
+                                                             CoglMatrix       *matrix);
+
 #endif /* __CLUTTER_STAGE_VIEW_H__ */