diff --git a/modules/deeplearning/icing_fcn.py b/modules/deeplearning/icing_fcn.py
index 2977ec0e8d70b5b41a5c03fe1f6a15bf7a8380ff..b6ff8ec38a026fb8bc4c9b2fbbaa9562d7c177ff 100644
--- a/modules/deeplearning/icing_fcn.py
+++ b/modules/deeplearning/icing_fcn.py
@@ -1159,6 +1159,7 @@ def run_evaluate_static(data_dct, num_tiles, ckpt_dir_s_path, day_night='DAY', l
 
 def run_evaluate_static_2(model, data_dct, num_tiles, prob_thresh=0.5, flight_levels=[0, 1, 2, 3, 4],
                           use_flight_altitude=False, use_max_cth_level=False):
+    model.cth_max = None
     flight_levels = flight_levels.copy()
 
     if not use_flight_altitude: