diff --git a/comfy/model_patcher.py b/comfy/model_patcher.py
index 3e8799983..5a31a8734 100644
--- a/comfy/model_patcher.py
+++ b/comfy/model_patcher.py
@@ -298,6 +298,7 @@ class ModelPatcher:
         n.backup = self.backup
         n.object_patches_backup = self.object_patches_backup
         n.parent = self
+        n.pinned = self.pinned
 
         n.force_cast_weights = self.force_cast_weights