diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 066c14f8e898082bb69aeb1ce99ff192e24c2b02..21f28404a76fdd715938ab6e704fcf6db58fc8b5 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1816,7 +1816,8 @@ def run_make_images(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', ckpt_dir_s_pat
         if pirep_file is not None:
             obs_times, obs_lons, obs_lats, _ = time_filter_3(ice_dict, ts_0, ts_1)
         else:
-            obs_lons, obs_lats = None
+            obs_lons = None
+            obs_lats = None
         ice_lons, ice_lats = run_evaluate_static(h5f, ckpt_dir_s_path=ckpt_dir_s_path, prob_thresh=prob_thresh, satellite=satellite, domain=domain)
         make_icing_image(h5f, ice_lons, ice_lats, clvrx_str_time, satellite, domain, ice_lons_vld=obs_lons, ice_lats_vld=obs_lats, extent=extent)
         print('Done: ', clvrx_str_time)