diff --git a/tutorials/VersionConversion.md b/tutorials/VersionConversion.md
index 352e311..c372858 100644
--- a/tutorials/VersionConversion.md
+++ b/tutorials/VersionConversion.md
@@ -23,7 +23,7 @@ onnx.checker.check_model(model)
 from onnx import version_converter
 
 # Convert to version 8
-converted_model = version_converter.convert_version(onnx_model, 8)
+converted_model = version_converter.convert_version(model, 8)
 
 # Save model
 onnx.save(converted_model, "path_to/resnet18_v8.onnx")