diff --git a/modules/util/util.py b/modules/util/util.py
index 000f6adc15a441d34ac6617e6ceff9fd972e2717..7f19649c624284d3ff49fd58bbdbaa7a75cdcfaa 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -1049,7 +1049,7 @@ def write_icing_file_nc4(clvrx_str_time, output_dir, preds_dct, probs_dct,
     rootgrp.close()
 
 
-def write_icing_file_viirs(clvrx_str_time, output_dir, preds_dct, probs_dct,
+def write_icing_file_nc4_viirs(clvrx_str_time, output_dir, preds_dct, probs_dct,
                            lons, lats,
                            has_time=False, use_nan=False, prob_thresh=0.5, bt_10_4=None):
     outfile_name = output_dir + 'icing_prediction_'+clvrx_str_time+'.nc'