diff --git a/requirements-dev.txt b/requirements-dev.txt
index 163df025..2efa853e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -9,3 +9,4 @@ pytest
 tox
 ujson
 uvloop
+gunicorn
diff --git a/sanic/app.py b/sanic/app.py
index 699a7010..3bb201f3 100644
--- a/sanic/app.py
+++ b/sanic/app.py
@@ -545,6 +545,9 @@ class Sanic:
         :param protocol: Subclass of asyncio protocol class
         :return: Nothing
         """
+        if sock is None:
+            host, port = host or "127.0.0.1", port or 8000
+
         if log_config:
             logging.config.dictConfig(log_config)
         if protocol is None:
@@ -592,6 +595,9 @@ class Sanic:
         NOTE: This does not support multiprocessing and is not the preferred
               way to run a Sanic application.
         """
+        if sock is None:
+            host, port = host or "127.0.0.1", port or 8000
+
         if log_config:
             logging.config.dictConfig(log_config)
         if protocol is None:
@@ -637,9 +643,6 @@ class Sanic:
                 protocol=HttpProtocol, backlog=100, stop_event=None,
                 register_sys_signals=True, run_async=False, has_log=True):
         """Helper function used by `run` and `create_server`."""
-        if sock is None:
-            host, port = host or "127.0.0.1", port or 8000
-
         if isinstance(ssl, dict):
             # try common aliaseses
             cert = ssl.get('cert') or ssl.get('certificate')
diff --git a/sanic/worker.py b/sanic/worker.py
index 30ad91b0..d15fda41 100644
--- a/sanic/worker.py
+++ b/sanic/worker.py
@@ -48,8 +48,6 @@ class GunicornWorker(base.Worker):
         protocol = (WebSocketProtocol if self.app.callable.websocket_enabled
                     else HttpProtocol)
         self._server_settings = self.app.callable._helper(
-            host=None,
-            port=None,
             loop=self.loop,
             debug=is_debug,
             protocol=protocol,
diff --git a/tests/test_worker.py b/tests/test_worker.py
new file mode 100644
index 00000000..73838f68
--- /dev/null
+++ b/tests/test_worker.py
@@ -0,0 +1,22 @@
+import time
+import json
+import shlex
+import subprocess
+import urllib.request
+
+import pytest
+
+
+@pytest.fixture(scope='module')
+def gunicorn_worker():
+    command = 'gunicorn --bind 127.0.0.1:1337 --worker-class sanic.worker.GunicornWorker examples.simple_server:app'
+    worker = subprocess.Popen(shlex.split(command))
+    time.sleep(1)
+    yield
+    worker.kill()
+
+
+def test_gunicorn_worker(gunicorn_worker):
+    with urllib.request.urlopen('http://localhost:1337/') as f:
+        res = json.loads(f.read(100).decode())
+    assert res['test']
diff --git a/tox.ini b/tox.ini
index b391c06e..3092e875 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,6 +13,7 @@ deps =
     aiohttp==1.3.5
     chardet<=2.3.0
     beautifulsoup4
+    gunicorn
 commands =
     pytest tests {posargs}
     coverage erase