diff --git a/onnxruntime/test/optimizer/gpu_op_prepack_test.cc b/onnxruntime/test/optimizer/gpu_op_prepack_test.cc
index 7c4c03e18c7a2..ccde5d199ef0b 100644
--- a/onnxruntime/test/optimizer/gpu_op_prepack_test.cc
+++ b/onnxruntime/test/optimizer/gpu_op_prepack_test.cc
@@ -140,7 +140,8 @@ inline Status GetOrtValue(const NodeArg* arg, const Graph& graph, OrtValue& ort_
   ORT_RETURN_IF_NOT(graph.GetInitializedTensor(arg->Name(), tensor_proto),
                     "Missing initializer for ", arg->Name());
 
-  const auto path_str = graph.ModelPath().ToPathString();
+  const onnxruntime::Path& model_path = graph.ModelPath();
+  const auto path_str = model_path.ToPathString();
 
   return utils::TensorProtoToOrtValue(
       Env::Default(), path_str.c_str(), *tensor_proto,