diff --git a/gluonfr/loss.py b/gluonfr/loss.py
index 678d40b..68583e8 100644
--- a/gluonfr/loss.py
+++ b/gluonfr/loss.py
@@ -23,6 +23,7 @@
 import math
 import numpy as np
 from mxnet import nd, init
+from mxnet.gluon.nn import HybridBlock
 from mxnet.gluon.loss import Loss, SoftmaxCrossEntropyLoss
 
 __all__ = ["get_loss", "SoftmaxCrossEntropyLoss", "ArcLoss", "TripletLoss", "RingLoss",
@@ -794,6 +795,10 @@ def hybrid_forward(self, F, pred, label, sample_weight=None):
         return super().hybrid_forward(F, pred=fc, label=label, sample_weight=sample_weight)
 
 
+class CircleLoss(HybridBlock):
+    pass
+
+
 _losses = {
     'softmax': SoftmaxCrossEntropyLoss,
     'arcface': ArcLoss,