diff --git a/docs/en/onnx-model-opset-convert-guide.md b/docs/en/onnx-model-opset-convert-guide.md
index 222a1f76f..181d53519 100644
--- a/docs/en/onnx-model-opset-convert-guide.md
+++ b/docs/en/onnx-model-opset-convert-guide.md
@@ -9,6 +9,6 @@ import onnx
 from onnx import version_converter
 
 model = onnx.load("<your_path_to_onnx_model>")
-converted_model = version_converter.convert_version(onnx_model, 11)
+converted_model = version_converter.convert_version(model, 11)
 onnx.save(converted_model, "<your_save_path>")
 ```