diff --git a/modules/deeplearning/srcnn_l1b_l2.py b/modules/deeplearning/srcnn_l1b_l2.py
index ee6788971290c2a5eb212aad4d47b0d274e123c3..8dceb4b977772c58fb7c6431b5f9b2a2c221939a 100644
--- a/modules/deeplearning/srcnn_l1b_l2.py
+++ b/modules/deeplearning/srcnn_l1b_l2.py
@@ -38,7 +38,7 @@ NOISE_STDDEV = 0.01
 DO_AUGMENT = True
 
 DO_SMOOTH = False
-SIGMA = 0.5
+SIGMA = 1.0
 DO_ZERO_OUT = False
 DO_ESPCN = False  # Note: If True, cannot do mixed resolution input fields (Adjust accordingly below)