diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 602a6ce5b6ebd8bc33e41fe237bc0c5c387b62f2..6bf4384f9e7c3ccb024cf5cc540fb01df6f73ecc 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -204,7 +204,7 @@ def run(pirep_dct, outfile=None, outfile_l1b=None):
     fl_alt_s = np.array(fl_alt_s)
 
     if outfile is not None:
-        create_file(outfile, data_dct, ds_list, lon_c, lat_c, time_s)
+        create_file(outfile, data_dct, ds_list, lon_c, lat_c, time_s, fl_alt_s)
 
     data_dct = {}
     for ds_name in l1b_ds_list: