diff --git a/rest_framework/routers.py b/rest_framework/routers.py
index d1c9fa1b9..a213f62c7 100644
--- a/rest_framework/routers.py
+++ b/rest_framework/routers.py
@@ -177,26 +177,26 @@ class SimpleRouter(BaseRouter):
                 # Dynamic detail routes (@detail_route decorator)
                 for httpmethods, methodname in detail_routes:
                     method_kwargs = getattr(viewset, methodname).kwargs
-                    custom_method_name = method_kwargs.pop("custom_method_name", None) or methodname
+                    url_path = method_kwargs.pop("url_path", None) or methodname
                     initkwargs = route.initkwargs.copy()
                     initkwargs.update(method_kwargs)
                     ret.append(Route(
-                        url=replace_methodname(route.url, custom_method_name),
+                        url=replace_methodname(route.url, url_path),
                         mapping=dict((httpmethod, methodname) for httpmethod in httpmethods),
-                        name=replace_methodname(route.name, custom_method_name),
+                        name=replace_methodname(route.name, url_path),
                         initkwargs=initkwargs,
                     ))
             elif isinstance(route, DynamicListRoute):
                 # Dynamic list routes (@list_route decorator)
                 for httpmethods, methodname in list_routes:
                     method_kwargs = getattr(viewset, methodname).kwargs
-                    custom_method_name = method_kwargs.pop("custom_method_name", None) or methodname
+                    url_path = method_kwargs.pop("url_path", None) or methodname
                     initkwargs = route.initkwargs.copy()
                     initkwargs.update(method_kwargs)
                     ret.append(Route(
-                        url=replace_methodname(route.url, custom_method_name),
+                        url=replace_methodname(route.url, url_path),
                         mapping=dict((httpmethod, methodname) for httpmethod in httpmethods),
-                        name=replace_methodname(route.name, custom_method_name),
+                        name=replace_methodname(route.name, url_path),
                         initkwargs=initkwargs,
                     ))
             else: