diff --git a/src/gino/dialects/asyncpg.py b/src/gino/dialects/asyncpg.py
index 795f8d9..f329e69 100644
--- a/src/gino/dialects/asyncpg.py
+++ b/src/gino/dialects/asyncpg.py
@@ -2,6 +2,7 @@ import inspect
 import itertools
 import time
 import warnings
+from copy import copy

 import asyncpg
 from sqlalchemy import util, exc, sql
@@ -244,8 +245,10 @@ class Pool(base.Pool):
                 super().__init__(*pargs, **kwargs)
                 self.baked_queries = {}

+        url = copy(self._url)
+        url.drivername = "postgresql"
         args.update(
-            connection_class=Connection, dsn=str(self._url), loop=self._loop,
+            connection_class=Connection, dsn=str(url), loop=self._loop,
         )

         if self._prebake and self._bakery:
diff --git a/src/gino/strategies.py b/src/gino/strategies.py
index 63bee32..21be879 100644
--- a/src/gino/strategies.py
+++ b/src/gino/strategies.py
@@ -6,7 +6,6 @@ from sqlalchemy.engine.url import make_url
 from sqlalchemy.engine.strategies import EngineStrategy

 from .engine import GinoEngine
-from .dialects.asyncpg import AsyncpgDialect


 class GinoStrategy(EngineStrategy):
@@ -15,7 +14,8 @@ class GinoStrategy(EngineStrategy):
     This strategy is initialized automatically as :mod:`gino` is imported.

     If :func:`sqlalchemy.create_engine` uses ``strategy="gino"``, it will return a
-    :class:`~collections.abc.Coroutine`.
+    :class:`~collections.abc.Coroutine`, and treat URL prefix ``postgresql://`` or
+    ``postgres://`` as ``postgresql+asyncpg://``.
     """

     name = "gino"
@@ -26,13 +26,11 @@ class GinoStrategy(EngineStrategy):
         url = make_url(name_or_url)
         if loop is None:
             loop = asyncio.get_event_loop()
+        if url.drivername in {"postgresql", "postgres"}:
+            url = copy(url)
+            url.drivername = "postgresql+asyncpg"

-        # The postgresql dialect is already taken by the PGDialect_psycopg2
-        # we need to force ourone.
-        if url.drivername in ("postgresql", "postgres"):
-            dialect_cls = AsyncpgDialect
-        else:
-            dialect_cls = url.get_dialect()
+        dialect_cls = url.get_dialect()

         pop_kwarg = kwargs.pop

diff --git a/tests/test_bind.py b/tests/test_bind.py
index 7685fad..2a1d9bf 100644
--- a/tests/test_bind.py
+++ b/tests/test_bind.py
@@ -79,4 +79,10 @@ async def test_bind_url(dsn, driver_name):
     assert url.drivername == driver_name
     await db.set_bind(dsn)
     assert url.drivername == driver_name
+    assert (
+        await db.scalar(
+            "SELECT client_addr FROM pg_stat_activity where pid = pg_backend_pid()"
+        )
+        is not None
+    )
     await db.pop_bind().close()