proposed solution

Author: kmp5VT

NDTensors/src/tensor/tensor.jl

@@ -33,7 +33,8 @@ end
 function Tensor{ElT,N,StoreT,IndsT}(
   ::NeverAlias, storage::TensorStorage, inds
 ) where {ElT,N,StoreT<:TensorStorage,IndsT}
-  return Tensor{ElT,N,StoreT,IndsT}(AllowAlias(), copy(storage), inds)
+  store = copy(storage)
+  return Tensor{ElT,N,typeof(store),IndsT}(AllowAlias(), store, inds)
 end
 
 # Constructs with undef