diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 169220c50a26a84fb2826555c5d364cf1b902aac..964d03b16af1532965a83a41a82118a200088a4c 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1237,10 +1237,11 @@ def split_data(num_obs, perc=0.2, skip=1):
     test_idxs = np.array(test_idxs)
     train_idxs = np.array(train_idxs)
 
-    np.random.shuffle(test_idxs)
-    np.random.shuffle(train_idxs)
+    #np.random.shuffle(test_idxs)
+    #np.random.shuffle(train_idxs)
 
-    return np.sort(train_idxs[::skip]), np.sort(test_idxs[::skip])
+    #return np.sort(train_idxs[::skip]), np.sort(test_idxs[::skip])
+    return train_idxs[::skip], test_idxs[::skip]
 
 
 def test(filename, skip=1):