diff --git a/fastreid/config/defaults.py b/fastreid/config/defaults.py
index 3d2bac0..7eb7b44 100644
--- a/fastreid/config/defaults.py
+++ b/fastreid/config/defaults.py
@@ -97,6 +97,11 @@ _C.MODEL.LOSSES.TRI.HARD_MINING = True
 _C.MODEL.LOSSES.TRI.USE_COSINE_DIST = False
 _C.MODEL.LOSSES.TRI.SCALE = 1.0
 
+# Circle Loss options
+_C.MODEL.LOSSES.CIRCLE = CN()
+_C.MODEL.LOSSES.CIRCLE.MARGIN = 0.25
+_C.MODEL.LOSSES.CIRCLE.SCALE = 128
+
 # Focal Loss options
 _C.MODEL.LOSSES.FL = CN()
 _C.MODEL.LOSSES.FL.ALPHA = 0.25
diff --git a/fastreid/modeling/losses/metric_loss.py b/fastreid/modeling/losses/metric_loss.py
index 6719f49..950c807 100644
--- a/fastreid/modeling/losses/metric_loss.py
+++ b/fastreid/modeling/losses/metric_loss.py
@@ -164,10 +164,10 @@ class TripletLoss(object):
 
 class CircleLoss(object):
     def __init__(self, cfg):
-        self._scale = cfg.MODEL.LOSSES.SCALE_TRI
+        self._scale = cfg.MODEL.LOSSES.CIRCLE.SCALE
 
-        self.m = 0.25
-        self.s = 128
+        self.m = cfg.MODEL.LOSSES.CIRCLE.MARGIN
+        self.s = cfg.MODEL.LOSSES.CIRCLE.SCALE
 
     def __call__(self, _, global_features, targets):
         global_features = normalize(global_features, axis=-1)