diff --git a/Patch/Game/scnEditorPatch.cs b/Patch/Game/scnEditorPatch.cs
index d73286e..6ee3a66 100644
--- a/Patch/Game/scnEditorPatch.cs
+++ b/Patch/Game/scnEditorPatch.cs
@@ -16,8 +16,12 @@ namespace ADOFAIRenderer.Patch.Game
         {
             if (RenderMod.IsFeatureDisabled) return;
 
-            var cloneTarget = __instance.buttonExit!.gameObject;
-            var buttonContainer = cloneTarget.transform.parent!;
+            // 장식용 UI 주입이므로 실패해도 scnEditor.Start를 중단시키면 안 됩니다.
+            if (!__instance || !__instance.buttonExit) return;
+
+            var cloneTarget = __instance.buttonExit.gameObject;
+            var buttonContainer = cloneTarget.transform.parent;
+            if (buttonContainer == null) return;
             
             var buttonObj = Object.Instantiate(cloneTarget, buttonContainer)!;
             buttonObj.name = "buttonRender";