diff --git a/modules/util/viirs_l1b_l2.py b/modules/util/viirs_l1b_l2.py
index bef97343fdd87f59c80faf6bca21158b7660b6e1..81f3a1e837de10342235b9b763d232dbc79f4407 100644
--- a/modules/util/viirs_l1b_l2.py
+++ b/modules/util/viirs_l1b_l2.py
@@ -123,8 +123,8 @@ def run(l1b_h5f, l2_h5f, l1b_tiles, l2_tiles, factor=2):
     if l2_h5f is None:
         l2_h5f = l1b_h5f
 
-    l1b_param_name = emis_params[0]
-    l2_param_name = l2_params[0]
+    l1b_param_name = data_params[0]
+    l2_param_name = label_params[0]
 
     mod_tile_width = 64
     img_tile_width = mod_tile_width * factor