diff --git a/onnxruntime/test/onnx/tensorprotoutils.cc b/onnxruntime/test/onnx/tensorprotoutils.cc
index 2f9ba70d31..afafd0c6b4 100644
--- a/onnxruntime/test/onnx/tensorprotoutils.cc
+++ b/onnxruntime/test/onnx/tensorprotoutils.cc
@@ -98,7 +98,7 @@ static void UnpackTensorWithRawData(const void* raw_data, size_t raw_data_length
                         OrtErrorCode::ORT_FAIL);                                                          \
     auto& data = tensor.field_name();                                                                     \
     for (auto data_iter = data.cbegin(); data_iter != data.cend(); ++data_iter)                           \
-      *p_data++ = *reinterpret_cast<const T*>(data_iter);                                                 \
+      *p_data++ = onnxruntime::narrow<T>(*data_iter);                                                     \
     return;                                                                                               \
   }
 
diff --git a/onnxruntime/test/util/test_utils.cc b/onnxruntime/test/util/test_utils.cc
index b2c32b486a..33d457d9d5 100644
--- a/onnxruntime/test/util/test_utils.cc
+++ b/onnxruntime/test/util/test_utils.cc
@@ -183,7 +183,7 @@ void SparseIndicesChecker(const ONNX_NAMESPACE::TensorProto& indices_proto, gsl:
         ASSERT_STATUS_OK(utils::UnpackInitializerData(indices_proto, model_path, unpack_buffer));
         ind_span = ReinterpretAsSpan<const int64_t>(gsl::make_span(unpack_buffer));
       } else {
-        ind_span = gsl::make_span(indices_proto.int64_data().cbegin(), indices_proto.int64_data().cend());
+        ind_span = gsl::make_span(indices_proto.int64_data().data(), indices_proto.int64_data_size());
       }
       break;
     }