diff --git a/PRIVATE b/PRIVATE
index 85a39db96..c93e2b1d7 160000
--- a/PRIVATE
+++ b/PRIVATE
@@ -1 +1 @@
-Subproject commit 85a39db96387330e2509650558fddc31e048e6ea
+Subproject commit c93e2b1d7c39167fff9f1484857c58d34090d3f6
diff --git a/processing/pre/geom_fromVoronoiTessellation.py b/processing/pre/geom_fromVoronoiTessellation.py
index dd2e5e8ea..9d4573c2c 100755
--- a/processing/pre/geom_fromVoronoiTessellation.py
+++ b/processing/pre/geom_fromVoronoiTessellation.py
@@ -270,7 +270,7 @@ for name in filenames:
   y = (np.arange(info['grid'][1])+0.5)*info['size'][1]/info['grid'][1]
   z = (np.arange(info['grid'][2])+0.5)*info['size'][2]/info['grid'][2]
   X,Y,Z = np.meshgrid(x, y, z,indexing='ij')
-  grid = np.stack((X,Y,Z),axis=-1).reshape((info['grid'].prod(),3),order='F')
+  grid = np.stack((X,Y,Z),axis=-1).reshape((np.prod(info['grid']),3),order='F')
 
   damask.util.croak('tessellating...')
   indices = laguerreTessellation(grid, coords, weights, grains, options.periodic, options.cpus)