diff --git a/processing/pre/geom_grainGrowth.py b/processing/pre/geom_grainGrowth.py
index 0652d0583..ea9331317 100755
--- a/processing/pre/geom_grainGrowth.py
+++ b/processing/pre/geom_grainGrowth.py
@@ -64,7 +64,7 @@ for name in filenames:
 
   geom = damask.Geom.from_file(StringIO(''.join(sys.stdin.read())) if name is None else name)
 
-  grid_original = geom.get_grid()
+  grid_original = geom.grid
   damask.util.croak(geom)
   microstructure = np.tile(geom.microstructure,np.where(grid_original == 1, 2,1))                   # make one copy along dimensions with grid == 1
   grid = np.array(microstructure.shape)