diff --git a/doc/source/reference/kwant.builder.rst b/doc/source/reference/kwant.builder.rst
index 973b8f5a3f06a4fc3dfa5f2e5df794eb75a3e92e..c1aa98ebbac9d50ce41d2267d6e2ce9992fa3b9a 100644
--- a/doc/source/reference/kwant.builder.rst
+++ b/doc/source/reference/kwant.builder.rst
@@ -13,7 +13,7 @@ Types
    HoppingKind
    SimpleSiteFamily
    BuilderLead
-   SelfEnergy
+   SelfEnergyLead
    ModesLead
 
 Abstract base classes
diff --git a/kwant/builder.py b/kwant/builder.py
index b6b6c66d5ff311d8c92f9acf5c35c56c19025d2d..e09cdf9c7b07f077f32502696408e17d5c48844a 100644
--- a/kwant/builder.py
+++ b/kwant/builder.py
@@ -9,7 +9,7 @@
 from __future__ import division
 
 __all__ = ['Builder', 'Site', 'SiteFamily', 'SimpleSiteFamily', 'Symmetry',
-           'HoppingKind', 'Lead', 'BuilderLead', 'SelfEnergy', 'ModesLead']
+           'HoppingKind', 'Lead', 'BuilderLead', 'SelfEnergyLead', 'ModesLead']
 
 import abc
 import sys
@@ -443,7 +443,7 @@ class BuilderLead(Lead):
         return self.builder._finalized_infinite(self.interface)
 
 
-class SelfEnergy(Lead):
+class SelfEnergyLead(Lead):
     """A general lead defined by its self energy.
 
     Parameters