diff --git a/dwl.c b/dwl.c
index 530ee4e..912a877 100644
--- a/dwl.c
+++ b/dwl.c
@@ -1780,6 +1780,8 @@ resize(Client *c, struct wlr_box geo, int interact)
 	wlr_scene_node_set_position(&c->border[1]->node, 0, c->geom.height - c->bw);
 	wlr_scene_node_set_position(&c->border[2]->node, 0, c->bw);
 	wlr_scene_node_set_position(&c->border[3]->node, c->geom.width - c->bw, c->bw);
+	if (c->fullscreen_bg)
+		wlr_scene_rect_set_size(c->fullscreen_bg, c->geom.width, c->geom.height);
 
 	/* wlroots makes this a no-op if size hasn't changed */
 	c->resize = client_set_size(c, c->geom.width - 2 * c->bw,