diff --git a/modules/deeplearning/icing_fcn.py b/modules/deeplearning/icing_fcn.py
index 19b987b3e6983e9a362a95adeaa9fb1d73dff741..8d8d009ca90ef15381999478dc34b78beaf3b302 100644
--- a/modules/deeplearning/icing_fcn.py
+++ b/modules/deeplearning/icing_fcn.py
@@ -874,7 +874,7 @@ class IcingIntensityFCN:
 
         step = 0
         total_time = 0
-        best_test_loss = np.finfo(dtype=np.float).max
+        best_test_loss = np.finfo(dtype=np.float32).max
         best_test_acc = 0
         best_test_recall = 0
         best_test_precision = 0