diff --git a/nodes.py b/nodes.py
index d0a93fe..5902bc2 100644
--- a/nodes.py
+++ b/nodes.py
@@ -86,7 +86,11 @@ class WanVideoSaveMergedModel:
             tensor = v.cpu()
             if target_dtype is not None:
                 tensor = tensor.to(target_dtype)
-            clean_sd[k] = tensor
+            # Clone to break shared memory between aliased tensors
+            # (e.g. patch_embedding / expanded_patch_embedding / original_patch_embedding)
+            # safetensors save_file doesn't handle shared tensors, and save_model
+            # deduplicates keys which breaks compatibility with ComfyUI's load_file
+            clean_sd[k] = tensor.clone()
             pbar.update(1)
 
         log.info(f"Saving merged WanVideo model to: {output_path}")