diff -urB wsmeext/sphinxext.py.ori wsmeext/sphinxext.py
--- wsmeext/sphinxext.py.ori	2015-06-01 15:19:37.000000000 +0200
+++ wsmeext/sphinxext.py	2015-09-11 11:45:05.000000000 +0200
@@ -111,13 +111,35 @@
     return root
 
 
+#def get_class_that_defined_method(meth):
+#    imc = getattr(meth, 'im_class', None)
+#    if imc:
+#        for cls in inspect.getmro(imc):
+#            if meth.__name__ in cls.__dict__: 
+#                return cls
+#    return None
+
+
+def get_class_that_defined_method(meth):
+    for cls in inspect.getmro(meth.im_class):
+        if meth.__name__ in cls.__dict__: 
+            return cls
+    return None
+
+
 def scan_services(service, path=[]):
     has_functions = False
     for name in dir(service):
         if name.startswith('_'):
             continue
+        if name in ('im_self', 'im_func', 'im_class'):
+            continue
         a = getattr(service, name)
+        if inspect.isfunction(a):
+            continue
         if inspect.ismethod(a):
+            if get_class_that_defined_method(a) == wsme.WSRoot:
+                continue
             if hasattr(a, '_wsme_definition'):
                 has_functions = True
         if inspect.isclass(a):
@@ -135,7 +157,7 @@
     if service == root:
         return []
     for s, path in scan_services(root):
-        if s == service:
+        if s == service or type(s) == service:
             return path
     return None
 
@@ -361,7 +383,7 @@
 
     def format_name(self):
         path = find_service_path(self.env, self.object)
-        return '/' + '/'.join(path)
+        return '/' + ('/'.join(path) if path else '')
 
 
 class FunctionDirective(PyClassmember):