diff --git a/tensorflow_probability/python/bijectors/cumsum.py b/tensorflow_probability/python/bijectors/cumsum.py
index ae7f886a70..8736dc3779 100644
--- a/tensorflow_probability/python/bijectors/cumsum.py
+++ b/tensorflow_probability/python/bijectors/cumsum.py
@@ -117,5 +117,5 @@ def _forward_log_det_jacobian(self, x):
     return tf.constant(0., x.dtype)
 
   @property
-  def _compposite_tensor_shape_params(self):
+  def _composite_tensor_shape_params(self):
     return ('axis',)