diff --git a/gdk/wayland/gdksurface-wayland.c b/gdk/wayland/gdksurface-wayland.c
index e96853a6b6..1832a61d9e 100644
--- a/gdk/wayland/gdksurface-wayland.c
+++ b/gdk/wayland/gdksurface-wayland.c
@@ -647,6 +647,8 @@ gdk_wayland_surface_sync_opaque_region (GdkSurface *surface)
           for (gsize i = 0; i < gdk_surface_get_n_subsurfaces (surface); i++)
             {
               GdkWaylandSubsurface *sub = (GdkWaylandSubsurface *)gdk_surface_get_subsurface (surface, i);
+              if (sub->above_parent)
+                continue;
               if (sub->texture != NULL)
                 cairo_region_subtract_rectangle (region, &sub->dest);
             }