diff --git a/django/core/management/commands/runserver.py b/django/core/management/commands/runserver.py
index f5a701cd23..402b3d342c 100644
--- a/django/core/management/commands/runserver.py
+++ b/django/core/management/commands/runserver.py
@@ -1,12 +1,13 @@
 from optparse import make_option
 from datetime import datetime
+import errno
 import os
 import re
 import sys
 import socket
 
 from django.core.management.base import BaseCommand, CommandError
-from django.core.servers.basehttp import run, WSGIServerException, get_internal_wsgi_application
+from django.core.servers.basehttp import run, get_internal_wsgi_application
 from django.utils import autoreload
 
 naiveip_re = re.compile(r"""^(?:
@@ -117,16 +118,16 @@ class Command(BaseCommand):
             handler = self.get_handler(*args, **options)
             run(self.addr, int(self.port), handler,
                 ipv6=self.use_ipv6, threading=threading)
-        except WSGIServerException as e:
+        except socket.error as e:
             # Use helpful error messages instead of ugly tracebacks.
             ERRORS = {
-                13: "You don't have permission to access that port.",
-                98: "That port is already in use.",
-                99: "That IP address can't be assigned-to.",
+                errno.EACCES: "You don't have permission to access that port.",
+                errno.EADDRINUSE: "That port is already in use.",
+                errno.EADDRNOTAVAIL: "That IP address can't be assigned-to.",
             }
             try:
-                error_text = ERRORS[e.args[0].args[0]]
-            except (AttributeError, KeyError):
+                error_text = ERRORS[e.errno]
+            except KeyError:
                 error_text = str(e)
             self.stderr.write("Error: %s" % error_text)
             # Need to use an OS exit because sys.exit doesn't work in a thread
diff --git a/django/core/servers/basehttp.py b/django/core/servers/basehttp.py
index 6287b1a4f9..010b5e07dd 100644
--- a/django/core/servers/basehttp.py
+++ b/django/core/servers/basehttp.py
@@ -58,10 +58,6 @@ def get_internal_wsgi_application():
     )
 
 
-class WSGIServerException(Exception):
-    pass
-
-
 class ServerHandler(simple_server.ServerHandler, object):
     error_status = str("500 INTERNAL SERVER ERROR")
 
@@ -114,10 +110,7 @@ class WSGIServer(simple_server.WSGIServer, object):
 
     def server_bind(self):
         """Override server_bind to store the server name."""
-        try:
-            super(WSGIServer, self).server_bind()
-        except Exception as e:
-            six.reraise(WSGIServerException, WSGIServerException(e), sys.exc_info()[2])
+        super(WSGIServer, self).server_bind()
         self.setup_environ()
 
 
diff --git a/django/test/testcases.py b/django/test/testcases.py
index 193acaef80..85ff66a15e 100644
--- a/django/test/testcases.py
+++ b/django/test/testcases.py
@@ -7,6 +7,7 @@ from functools import wraps
 import json
 import os
 import re
+import socket
 import sys
 import select
 import socket
@@ -21,8 +22,7 @@ from django.core.handlers.wsgi import WSGIHandler
 from django.core.management import call_command
 from django.core.management.color import no_style
 from django.core.management.commands import flush
-from django.core.servers.basehttp import (WSGIRequestHandler, WSGIServer,
-    WSGIServerException)
+from django.core.servers.basehttp import WSGIRequestHandler, WSGIServer
 from django.core.urlresolvers import clear_url_caches, set_urlconf
 from django.db import connection, connections, DEFAULT_DB_ALIAS, transaction
 from django.db.models.loading import cache
@@ -1089,10 +1089,9 @@ class LiveServerThread(threading.Thread):
                 try:
                     self.httpd = StoppableWSGIServer(
                         (self.host, port), QuietWSGIRequestHandler)
-                except WSGIServerException as e:
+                except socket.error as e:
                     if (index + 1 < len(self.possible_ports) and
-                        hasattr(e.args[0], 'errno') and
-                        e.args[0].errno == errno.EADDRINUSE):
+                        e.errno == errno.EADDRINUSE):
                         # This port is already in use, so we go on and try with
                         # the next one in the list.
                         continue
diff --git a/tests/servers/tests.py b/tests/servers/tests.py
index caa2ddb084..d4025c435b 100644
--- a/tests/servers/tests.py
+++ b/tests/servers/tests.py
@@ -5,10 +5,10 @@ Tests for django.core.servers.
 from __future__ import unicode_literals
 
 import os
+import socket
 
 from django.core.exceptions import ImproperlyConfigured
 from django.test import LiveServerTestCase
-from django.core.servers.basehttp import WSGIServerException
 from django.test.utils import override_settings
 from django.utils.http import urlencode
 from django.utils.six.moves.urllib.error import HTTPError
@@ -71,7 +71,7 @@ class LiveServerAddress(LiveServerBase):
         cls.raises_exception('localhost', ImproperlyConfigured)
 
         # The host must be valid
-        cls.raises_exception('blahblahblah:8081', WSGIServerException)
+        cls.raises_exception('blahblahblah:8081', socket.error)
 
         # The list of ports must be in a valid format
         cls.raises_exception('localhost:8081,', ImproperlyConfigured)