diff --git a/codes/data/LQGT_dataset.py b/codes/data/LQGT_dataset.py
index b033077b..51b37d65 100644
--- a/codes/data/LQGT_dataset.py
+++ b/codes/data/LQGT_dataset.py
@@ -116,7 +116,7 @@ class LQGTDataset(data.Dataset):
             H, W, _ = img_GT.shape
 
             if self.opt['use_blurring']:
-                blur_sig = int(random.randrange(0, 4))
+                blur_sig = int(random.randrange(0, 8))
                 hqxform = cv2.GaussianBlur(img_GT, (3, 3), blur_sig)
                 already_blurred = True
             else: