diff --git a/operators/convert.py b/operators/convert.py
index fcdd954..e1ffc48 100644
--- a/operators/convert.py
+++ b/operators/convert.py
@@ -7,7 +7,7 @@
 from vtk.util.numpy_support import vtk_to_numpy
 import numpy as np
 import scipy
-import pyopenvdb as vdb
+import openvdb as vdb
 from scipy.interpolate import RegularGridInterpolator
 from scipy.ndimage import convolve, gaussian_filter
 import glob