1 files changed, 4 insertions, 5 deletions
diff --git a/src/ui/render/border_render_object.cpp b/src/ui/render/border_render_object.cpp
index 68e74740..6af76b32 100644
--- a/src/ui/render/border_render_object.cpp
+++ b/src/ui/render/border_render_object.cpp
@@ -9,7 +9,10 @@
 #include <cassert>
 
 namespace cru::ui::render {
-BorderRenderObject::BorderRenderObject() { RecreateGeometry(); }
+BorderRenderObject::BorderRenderObject() {
+  SetChildMode(ChildMode::Single);
+  RecreateGeometry();
+}
 
 BorderRenderObject::~BorderRenderObject() {}
 
@@ -61,10 +64,6 @@ RenderObject* BorderRenderObject::HitTest(const Point& point) {
   }
 }
 
-void BorderRenderObject::OnAddChild(RenderObject* new_child, int position) {
-  assert(GetChildren().size() == 1);
-}
-
 void BorderRenderObject::OnSizeChanged(const Size& old_size,
                                        const Size& new_size) {
   RecreateGeometry();