diff --git a/modules/deeplearning/cloud_opd_srcnn.py b/modules/deeplearning/cloud_opd_srcnn.py
index f2f35275914ec1f6574439d4e1f56750001c87f6..3df9a1ab1c2c555908569e18b25f5314251e0194 100644
--- a/modules/deeplearning/cloud_opd_srcnn.py
+++ b/modules/deeplearning/cloud_opd_srcnn.py
@@ -67,6 +67,7 @@ print('label_param: ', label_param)
 
 KERNEL_SIZE = 3  # target size: (128, 128)
 N_X = N_Y = 1
+LEX_X = LEN_Y = 128
 
 if KERNEL_SIZE == 3:
     slc_x = slice(3, N_X*128 + 5)