diff --git a/modules/deeplearning/icing_fcn.py b/modules/deeplearning/icing_fcn.py
index 32d00b884878b653eba4fcee9a867d2edc069aa6..950c9715735ec5a76ed8760b4afbf70b1e3557b9 100644
--- a/modules/deeplearning/icing_fcn.py
+++ b/modules/deeplearning/icing_fcn.py
@@ -976,6 +976,7 @@ class IcingIntensityFCN:
             print(data[0].shape, data[1].shape)
             pred = self.model([data])
             print(pred.shape, np.histogram(pred.numpy()))
+            pred_s.append(pred)
 
         preds = np.concatenate(pred_s)
         preds = preds[:,0]