diff --git a/comfy/model_patcher.py b/comfy/model_patcher.py
index 4ae3ad25..fb651242 100644
--- a/comfy/model_patcher.py
+++ b/comfy/model_patcher.py
@@ -243,7 +243,7 @@ class ModelPatcher:
         return self.model.lowvram_patch_counter
 
     def clone(self):
-        n = ModelPatcher(self.model, self.load_device, self.offload_device, self.size, weight_inplace_update=self.weight_inplace_update)
+        n = self.__class__(self.model, self.load_device, self.offload_device, self.size, weight_inplace_update=self.weight_inplace_update)
         n.patches = {}
         for k in self.patches:
             n.patches[k] = self.patches[k][:]