diff --git a/utils/synthesis.py b/utils/synthesis.py
index ae3a7df7..188a3acf 100644
--- a/utils/synthesis.py
+++ b/utils/synthesis.py
@@ -24,7 +24,7 @@ def text_to_seqvec(text, CONFIG, use_cuda):
 def numpy_to_torch(np_array, dtype, cuda=False):
     if np_array is None:
         return None
-    tensor = torch.Tensor(np_array, dtype=dtype)
+    tensor = torch.as_tensor(np_array, dtype=dtype)
     if cuda:
         return tensor.cuda()
     return tensor