diff --git a/modules/icing/util.py b/modules/icing/util.py
index d60b2055effdc0fb61fa6963fdd5eee7b1526093..7b36b939cecb8450869463f6df4899bf3ebaf29b 100644
--- a/modules/icing/util.py
+++ b/modules/icing/util.py
@@ -106,7 +106,7 @@ def run_icing_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_dir=h
 
         satzen = ancil_data_dct['sensor_zenith_angle']
         solzen = ancil_data_dct['solar_zenith_angle']
-        bt_10_4 = ancil_data_dct['temp_11_0um_nom']
+        bt_10_4 = ancil_data_dct['temp_10_4um_nom']
         day_idxs = []
         nght_idxs = []
         avg_bt = []