diff --git a/stargan/attacks.py b/stargan/attacks.py
index cbf3f79..5c8b88c 100644
--- a/stargan/attacks.py
+++ b/stargan/attacks.py
@@ -7,7 +7,7 @@ import torch
 import torch.nn as nn
 
 class LinfPGDAttack(object):
-    def __init__(self, model=None, device=None, epsilon=0.05, k=20, a=0.01, feat = None):
+    def __init__(self, model=None, device=None, epsilon=0.05, k=1, a=0.05, feat = None):
         self.model = model
         self.epsilon = epsilon
         self.k = k