diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index b92c1f6e2bca80e0fc3df731ea678a311b7dc61b..4cbe604dbd045c3a889dd9b1701f1cd96844bb07 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -1,6 +1,6 @@
 import numpy as np
 import h5py
-from util.util import get_grid_values, get_grid_values_all, is_night, is_day, compute_lwc_iwc
+from util.util import get_grid_values, get_grid_values_all, is_night, is_day, compute_lwc_iwc, get_fill_attrs
 import glob
 import os
 from aeolus.datasource import CLAVRx_VIIRS
@@ -177,8 +177,9 @@ def run(data_h5f, param_s, tiles, tile_width=64, kernel_size=9):
     grd_s = []
 
     for param in param_s:
+        fill_value, fill_value_name = get_fill_attrs(param)
         try:
-            grd = get_grid_values(data_h5f, param, 0, 0, None, num_lines, num_pixels, fill_value_name=None, fill_value=ds_fill[param])
+            grd = get_grid_values(data_h5f, param, 0, 0, None, num_lines, num_pixels, fill_value_name=fill_value_name, fill_value=fill_value)
             grd_s.append(grd)
         except Exception as e:
             print(e)