diff --git a/modules/deeplearning/srcnn_l1b_l2.py b/modules/deeplearning/srcnn_l1b_l2.py
index a54e5abe5389f7ea8430f51432866cc5f89c7c4d..2c8305d1f2e683f6004a33e3a56ae95e44a1f0ca 100644
--- a/modules/deeplearning/srcnn_l1b_l2.py
+++ b/modules/deeplearning/srcnn_l1b_l2.py
@@ -627,10 +627,7 @@ class SRCNN:
         train_data_files = glob.glob(directory+'data_train*.npy')
         valid_data_files = glob.glob(directory+'data_valid*.npy')
 
-        train_data_files.sort()
-        valid_data_files.sort()
-
-        self.setup_pipeline(train_data_files, valid_data_files, 100000)
+        self.setup_pipeline(train_data_files, valid_data_files, 50000)
         self.build_model()
         self.build_training()
         self.build_evaluation()