diff --git a/modules/deeplearning/espcn.py b/modules/deeplearning/espcn.py
index 54e15bf5214f9ba9fa8aa73d18d1ee62bfee8458..d27784dec410d221dfcbf0a261023ca025af45b4 100644
--- a/modules/deeplearning/espcn.py
+++ b/modules/deeplearning/espcn.py
@@ -689,7 +689,7 @@ class ESPCN:
 
         ckpt.restore(ckpt_manager.latest_checkpoint)
 
-        data = normalize(nda_lr, data_param, mean_std_dct)
+        data = normalize(nda_lr, param, mean_std_dct)
         data = np.expand_dims(data, axis=0)
         data = np.expand_dims(data, axis=3)