diff --git a/asyncio_mongo/connection.py b/asyncio_mongo/connection.py
index 1ed02d5..68af4a3 100644
--- a/asyncio_mongo/connection.py
+++ b/asyncio_mongo/connection.py
@@ -31,13 +31,6 @@ class Connection:
 
         connection.host = host
 
-        # strip any additional hosts in the connection string for now
-        try:
-            if "," in port:
-                port = port[:port.find(',')]
-        except TypeError:
-            pass
-
         connection.port = port
         connection._loop = loop
         connection._retry_interval = .5
diff --git a/asyncio_mongo/pool.py b/asyncio_mongo/pool.py
index 6a7915f..425fc86 100644
--- a/asyncio_mongo/pool.py
+++ b/asyncio_mongo/pool.py
@@ -55,7 +55,19 @@ class Pool:
                 raise Exception("Missing database name in URI")
 
             self._host = url.hostname
-            self._port = url.port or 27017
+
+            try:
+                port = url.port
+            except ValueError:
+                port = url._hostinfo[1]
+                # strip any additional hosts in the connection string for now
+                try:
+                    if "," in port:
+                        port = port[:port.find(',')]
+                except TypeError:
+                    pass
+
+            self._port = port or 27017
             username = url.username
             password = url.password
         else:
diff --git a/tests/test_connection.py b/tests/test_connection.py
index 8cd07c6..d479f74 100644
--- a/tests/test_connection.py
+++ b/tests/test_connection.py
@@ -43,9 +43,20 @@ class TestMongoConnectionMethods(MongoTest):
         rapi.close()
 
     @async
-    def test_pool(self):
+    def test_pool_multiple_hosts(self):
         # MongoConnectionPool returns deferred, which gets MongoAPI
-        pool = asyncio_mongo.Pool.create(mongo_host, "%s,blah:333" % mongo_port, poolsize=2)
+        pool = asyncio_mongo.Pool.create(url="mongodb://{host}:{port},otherhost:333".format(
+            host=mongo_host, port=mongo_port), poolsize=2)
+        self.assertTrue(inspect.isgenerator(pool))
+        rapi = yield from pool
+        self.assertEqual(isinstance(rapi, asyncio_mongo.Pool), True)
+        rapi.close()
+
+    @async
+    def test_pool_with_url(self):
+        # MongoConnectionPool returns deferred, which gets MongoAPI
+        pool = asyncio_mongo.Pool.create(url="mongodb://{host}:{port}".format(
+            host=mongo_host, port=mongo_port), poolsize=2)
         self.assertTrue(inspect.isgenerator(pool))
         rapi = yield from pool
         self.assertEqual(isinstance(rapi, asyncio_mongo.Pool), True)