diff --git a/modules/util/util.py b/modules/util/util.py
index 4aed787ef55c73fff3add136c180e164a3c204c9..d2eb362e8ebace3e6e0708e51fd61d6c9e3b7b42 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -452,8 +452,7 @@ def normalize(data, param, mean_std_dict, add_noise=False, noise_scale=0.01, see
     if add_noise:
         if seed is not None:
             np.random.seed(seed)
-        rnd = np.random.normal(loc=0, size=data.size)
-        rnd *= noise_scale
+        rnd = np.random.normal(loc=0, scale=noise_scale, size=data.size)
         data += rnd
 
     not_valid = np.isnan(data)