diff --git a/modules/icing/util.py b/modules/icing/util.py
index 56c6cea5b190734bcf43be626905d6898aa97f44..46c094af435084e29499d9dc948b0334d639a9e7 100644
--- a/modules/icing/util.py
+++ b/modules/icing/util.py
@@ -962,7 +962,7 @@ def run_icing_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_dir=h
 def run_icing_predict_fcn(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_dir=homedir,
                           day_model_path=model_path_day, night_model_path=model_path_night,
                           prob_thresh=0.5, satellite='GOES16', domain='CONUS', day_night='AUTO',
-                          l1b_andor_l2='both', use_flight_altitude=False, res_fac=1, use_nan=False):
+                          l1b_andor_l2='both', use_flight_altitude=False, use_max_cth_level=False, use_nan=False):
 
     import deeplearning.icing_fcn as icing_fcn
     model_module = icing_fcn
@@ -976,7 +976,7 @@ def run_icing_predict_fcn(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_d
 
     if use_flight_altitude is True:
         flight_levels = [0, 1, 2, 3, 4]
-        if use_flight_altitude:
+        if use_max_cth_level:
             flight_levels = [-1]
     else:
         flight_levels = [0]
@@ -1294,7 +1294,7 @@ def run_icing_predict_image_fcn(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', ou
 
     if use_flight_altitude is True:
         flight_levels = [0, 1, 2, 3, 4]
-        if use_flight_altitude:
+        if use_max_cth_level:
             flight_levels = [-1]
     else:
         flight_levels = [0]