diff --git a/models/cycle_gan_model.py b/models/cycle_gan_model.py
index 255d66e3fd1dfcf3e417697883e9e371f84014ad..9bfd1d4b3c1acedb5eef965de36ad2007a9e74ec 100644
--- a/models/cycle_gan_model.py
+++ b/models/cycle_gan_model.py
@@ -45,7 +45,7 @@ class CycleGANModel(BaseModel):
         if is_train:
             parser.add_argument('--lambda_A', type=float, default=1.0, help='weight for cycle loss (A -> B -> A)')
             parser.add_argument('--lambda_B', type=float, default=1.0, help='weight for cycle loss (B -> A -> B)')
-            parser.add_argument('--lambda_Seg', type=float, default=.5, help='weight for cycle loss (Seg(A), A -> B -> A, Seg(A))')
+            parser.add_argument('--lambda_Seg', type=float, default=1.0, help='weight for cycle loss (Seg(A), A -> B -> A, Seg(A))')
             parser.add_argument('--lambda_id', type=float, default=1.0, help='use identity mapping. Setting lambda_identity other than 0 has an effect of scaling the weight of the identity mapping loss. For example, if the weight of the identity loss should be 10 times smaller than the weight of the reconstruction loss, please set lambda_identity = 0.1')
 
         return parser