diff --git a/clutter/clutter/clutter-paint-volume.c b/clutter/clutter/clutter-paint-volume.c
index e2f273ef3..e6d16da69 100644
--- a/clutter/clutter/clutter-paint-volume.c
+++ b/clutter/clutter/clutter-paint-volume.c
@@ -1069,10 +1069,10 @@ _clutter_paint_volume_get_stage_paint_box (const ClutterPaintVolume *pv,
        * in this case.
        */
       clutter_paint_volume_free (&projected_pv);
-      box->x1 = CLUTTER_NEARBYINT (box->x1);
-      box->y1 = CLUTTER_NEARBYINT (box->y1);
-      box->x2 = CLUTTER_NEARBYINT (box->x2);
-      box->y2 = CLUTTER_NEARBYINT (box->y2);
+      box->x1 = floorf (box->x1);
+      box->y1 = floorf (box->y1);
+      box->x2 = ceilf (box->x2);
+      box->y2 = ceilf (box->y2);
       return;
     }