diff --git a/maomao.c b/maomao.c
index 623ce547..66be81b9 100644
--- a/maomao.c
+++ b/maomao.c
@@ -875,8 +875,8 @@ void client_apply_clip(Client *c) {
   }
 
   animationScale scale_data;
-  scale_data.width = clip_box.width - c->bw;
-  scale_data.height = clip_box.height -c->bw;
+  scale_data.width = clip_box.width - 2 * c->bw;
+  scale_data.height = clip_box.height - 2* c->bw;
   wlr_scene_subsurface_tree_set_clip(&c->scene_surface->node, &clip_box);
   apply_border(c, clip_box, offset);
   if(c->animation.running) {