diff --git a/python/tvm/relay/op/nn/nn.py b/python/tvm/relay/op/nn/nn.py
index fef82e7c1fd3..562cee5f53bb 100644
--- a/python/tvm/relay/op/nn/nn.py
+++ b/python/tvm/relay/op/nn/nn.py
@@ -1488,7 +1488,7 @@ def relu(data):
     return _make.relu(data)
 
 
-def leaky_relu(data, alpha):
+def leaky_relu(data, alpha=0.01):
     """This operator takes data as input and does Leaky version
     of a Rectified Linear Unit.