diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index d443922d08a2e55a20f53c82d512740c6f5fd5af..376a28c2a924827787abee505fa5c00721dcd21c 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -2296,7 +2296,8 @@ def run_icing_predict(clvrx_dir='/Users/tomrink/data/clavrx/RadC/', output_dir=h
         for flvl in flight_levels:
             fd_preds = preds_2d_dct[flvl]
             fd_probs = probs_2d_dct[flvl]
-            fd_probs = np.where(fd_probs < prob_thresh, np.nan, fd_probs)
+            if use_nan:
+                fd_probs = np.where(fd_probs < prob_thresh, np.nan, fd_probs)
             preds_2d_dct[flvl] = fd_preds.reshape((num_lines, num_elems))
             probs_2d_dct[flvl] = fd_probs.reshape((num_lines, num_elems))