diff --git a/comfy/model_patcher.py b/comfy/model_patcher.py
index 1595d4a..76485ce 100644
--- a/comfy/model_patcher.py
+++ b/comfy/model_patcher.py
@@ -471,4 +471,4 @@ class ModelPatcher:
         for k in keys:
             comfy.utils.set_attr(self.model, k, self.object_patches_backup[k])
 
-        self.object_patches_backup = {}
+        self.object_patches_backup.clear()