diff --git a/dwl.c b/dwl.c
index 101a45f..5baa044 100644
--- a/dwl.c
+++ b/dwl.c
@@ -1242,6 +1242,7 @@ void
 destroydecoration(struct wl_listener *listener, void *data)
 {
 	Client *c = wl_container_of(listener, c, destroy_decoration);
+	c->decoration == NULL;
 
 	wl_list_remove(&c->destroy_decoration.link);
 	wl_list_remove(&c->set_decoration_mode.link);