diff --git a/sphinxtools/inheritance.py b/sphinxtools/inheritance.py
index 58db828d..73a314e4 100644
--- a/sphinxtools/inheritance.py
+++ b/sphinxtools/inheritance.py
@@ -65,7 +65,7 @@ class InheritanceDiagram(object):
                 return
             
             baselist = []
-            all_classes[cls] = (fullname, baselist)
+            all_classes[cls] = (fullname, fullname, baselist)
 
             for base in cls.__bases__:
                 name = self.class_name(base)
@@ -163,7 +163,7 @@ class InheritanceDiagram(object):
         res.append('digraph %s {\n' % name)
         res.append(self._format_graph_attrs(g_attrs))
 
-        for fullname, bases in self.class_info:
+        for _, fullname, bases in self.class_info:
             # Write the node
             this_node_attrs = n_attrs.copy()
 
@@ -193,7 +193,7 @@ class InheritanceDiagram(object):
                     this_edge_attrs['color'] = 'red'
 
                 if self.main_class is None:
-                    base_name, dummy = wx2Sphinx(base_name)  # ***
+                    _, base_name = wx2Sphinx(base_name)
 
                 res.append('  "%s" -> "%s" [%s];\n' %
                            (base_name, fullname,
@@ -230,7 +230,7 @@ class InheritanceDiagram(object):
         if self.main_class is not None:
             filename = self.main_class.name
         else:                        
-            dummy, filename = wx2Sphinx(self.specials[0]) # ***
+            _, filename = wx2Sphinx(self.specials[0])
 
         outfn = os.path.join(static_root, filename + '_inheritance.png')
         mapfile = outfn + '.map'