diff --git a/onnxruntime/core/providers/vitisai/imp/graph.cc b/onnxruntime/core/providers/vitisai/imp/graph.cc
index 4df11c2224..b5f45b15a5 100644
--- a/onnxruntime/core/providers/vitisai/imp/graph.cc
+++ b/onnxruntime/core/providers/vitisai/imp/graph.cc
@@ -138,6 +138,7 @@ void graph_save(const Graph& graph, const std::string& filename, const std::stri
     model_proto = model.ToProto();
   } else {
     model_proto = model.ToGraphProtoWithExternalInitializers(filename_dat,
+                                                             ToPathString(filename),
                                                              initializer_size_threshold);
   }
   auto& metadata = model.MetaData();