diff --git a/aiohttp/web_urldispatcher.py b/aiohttp/web_urldispatcher.py
index e9e57ed9ff5..307b84b5979 100644
--- a/aiohttp/web_urldispatcher.py
+++ b/aiohttp/web_urldispatcher.py
@@ -204,10 +204,11 @@ def url(self, **kwargs):
     @asyncio.coroutine
     def resolve(self, method, path):
         route_method = self._route.method
-        allowed_methods = {route_method}
-        if route_method == method or route_method == hdrs.METH_ANY:
-            match_dict = self._route.match(path)
-            if match_dict is not None:
+        allowed_methods = set()
+        match_dict = self._route.match(path)
+        if match_dict is not None:
+            allowed_methods.add(route_method)
+            if route_method == hdrs.METH_ANY or route_method == method:
                 return (UrlMappingMatchInfo(match_dict, self._route),
                         allowed_methods)
         return None, allowed_methods
diff --git a/tests/test_urldispatch.py b/tests/test_urldispatch.py
index 427646a5410..9c718aadf49 100644
--- a/tests/test_urldispatch.py
+++ b/tests/test_urldispatch.py
@@ -697,7 +697,7 @@ def test_resource_adapter_resolve_not_math(self):
         route = PlainRoute('GET', lambda req: None, None, '/path')
         self.router.register_route(route)
         resource = route.resource
-        self.assertEqual((None, {'GET'}),
+        self.assertEqual((None, set()),
                          self.loop.run_until_complete(
                              resource.resolve('GET', '/another/path')))
 
@@ -888,3 +888,19 @@ def test_static_route_points_to_file(self):
         here = pathlib.Path(aiohttp.__file__).parent / '__init__.py'
         with self.assertRaises(ValueError):
             self.router.add_static('/st', here)
+
+    def test_404_for_resource_adapter(self):
+        route = self.router.add_static('/st',
+                                       os.path.dirname(aiohttp.__file__))
+        resource = route.resource
+        ret = self.loop.run_until_complete(
+            resource.resolve('GET', '/unknown/path'))
+        self.assertEqual((None, set()), ret)
+
+    def test_405_for_resource_adapter(self):
+        route = self.router.add_static('/st',
+                                       os.path.dirname(aiohttp.__file__))
+        resource = route.resource
+        ret = self.loop.run_until_complete(
+            resource.resolve('POST', '/st/abc.py'))
+        self.assertEqual((None, {'GET'}), ret)