diff --git a/aiohttp/web_reqrep.py b/aiohttp/web_reqrep.py
index 3eb3f8a8ffe..6995df15eb8 100644
--- a/aiohttp/web_reqrep.py
+++ b/aiohttp/web_reqrep.py
@@ -326,8 +326,13 @@ def text(self):
         return bytes_body.decode(encoding)
 
     @asyncio.coroutine
-    def json(self, *, loads=json.loads):
+    def json(self, *, loads=json.loads, loader=None):
         """Return BODY as JSON."""
+        if loader:
+            warnings.warn(
+                'Using `loader` is deprecated, use `loads` instead',
+                DeprecationWarning)
+            loads = loader
         body = yield from self.text()
         return loads(body)
 
diff --git a/tests/test_web_functional.py b/tests/test_web_functional.py
index c7d2c231d90..cd5b03077f9 100644
--- a/tests/test_web_functional.py
+++ b/tests/test_web_functional.py
@@ -144,6 +144,8 @@ def handler(request):
             self.assertEqual(dct, data)
             data2 = yield from request.json(loads=json.loads)
             self.assertEqual(data, data2)
+            data3 = yield from request.json(loader=json.loads)
+            self.assertEqual(data, data3)
             resp = web.Response()
             resp.content_type = 'application/json'
             resp.body = json.dumps(data).encode('utf8')