diff --git a/src/compositor/meta-surface-actor.c b/src/compositor/meta-surface-actor.c
index 41aa5a26d..c328fab73 100644
--- a/src/compositor/meta-surface-actor.c
+++ b/src/compositor/meta-surface-actor.c
@@ -282,7 +282,8 @@ meta_surface_actor_cull_out (MetaCullable   *cullable,
       MetaWindowActor *window_actor;
       cairo_region_t *scaled_opaque_region;
       cairo_region_t *opaque_region;
-      int geometry_scale = 1;
+      int geometry_scale;
+      float x, y;
 
       opaque_region = meta_shaped_texture_get_opaque_region (priv->texture);
       if (opaque_region)
@@ -305,12 +306,14 @@ meta_surface_actor_cull_out (MetaCullable   *cullable,
           return;
         }
 
-      window_actor =
-        meta_window_actor_from_actor (CLUTTER_ACTOR (surface_actor));
-      if (window_actor)
-        geometry_scale = meta_window_actor_get_geometry_scale (window_actor);
+      window_actor = meta_window_actor_from_actor (CLUTTER_ACTOR (surface_actor));
+      geometry_scale = meta_window_actor_get_geometry_scale (window_actor);
+      clutter_actor_get_position (CLUTTER_ACTOR (surface_actor), &x, &y);
 
+      cairo_region_translate (opaque_region, x, y);
       scaled_opaque_region = meta_region_scale (opaque_region, geometry_scale);
+      cairo_region_translate (scaled_opaque_region, -x, -y);
+      cairo_region_translate (opaque_region, -x, -y);
 
       if (unobscured_region)
         cairo_region_subtract (unobscured_region, scaled_opaque_region);