diff --git a/django/contrib/flatpages/admin.py b/django/contrib/flatpages/admin.py
index b6fdba3d53..1b377e967b 100644
--- a/django/contrib/flatpages/admin.py
+++ b/django/contrib/flatpages/admin.py
@@ -5,11 +5,11 @@ from django.utils.translation import ugettext_lazy as _
 
 
 class FlatpageForm(forms.ModelForm):
-    url = forms.RegexField(label=_("URL"), max_length=100, regex=r'^[-\w/]+$',
+    url = forms.RegexField(label=_("URL"), max_length=100, regex=r'^[-\w/\.~]+$',
         help_text = _("Example: '/about/contact/'. Make sure to have leading"
                       " and trailing slashes."),
         error_message = _("This value must contain only letters, numbers,"
-                          " underscores, dashes or slashes."))
+                          " dots, underscores, dashes, slashes or tildes."))
 
     class Meta:
         model = FlatPage
diff --git a/django/contrib/flatpages/tests/__init__.py b/django/contrib/flatpages/tests/__init__.py
index edbc108d4c..5dd5e89dca 100644
--- a/django/contrib/flatpages/tests/__init__.py
+++ b/django/contrib/flatpages/tests/__init__.py
@@ -1,4 +1,5 @@
 from django.contrib.flatpages.tests.csrf import *
+from django.contrib.flatpages.tests.forms import *
 from django.contrib.flatpages.tests.middleware import *
 from django.contrib.flatpages.tests.templatetags import *
 from django.contrib.flatpages.tests.views import *
diff --git a/django/contrib/flatpages/tests/forms.py b/django/contrib/flatpages/tests/forms.py
new file mode 100644
index 0000000000..969d347b39
--- /dev/null
+++ b/django/contrib/flatpages/tests/forms.py
@@ -0,0 +1,22 @@
+from django.contrib.flatpages.admin import FlatpageForm
+from django.test import TestCase
+
+class FlatpageAdminFormTests(TestCase):
+    def setUp(self):
+        self.form_data = {
+            'title': "A test page",
+            'content': "This is a test",
+            'sites': [1],
+        }
+
+    def test_flatpage_admin_form_url_validation(self):
+        "The flatpage admin form validates correctly validates urls"
+        self.assertTrue(FlatpageForm(data=dict(url='/new_flatpage/', **self.form_data)).is_valid())
+        self.assertTrue(FlatpageForm(data=dict(url='/some.special~chars/', **self.form_data)).is_valid())
+        self.assertTrue(FlatpageForm(data=dict(url='/some.very_special~chars-here/', **self.form_data)).is_valid())
+
+        self.assertFalse(FlatpageForm(data=dict(url='/a space/', **self.form_data)).is_valid())
+        self.assertFalse(FlatpageForm(data=dict(url='/a % char/', **self.form_data)).is_valid())
+        self.assertFalse(FlatpageForm(data=dict(url='/a ! char/', **self.form_data)).is_valid())
+        self.assertFalse(FlatpageForm(data=dict(url='/a & char/', **self.form_data)).is_valid())
+        self.assertFalse(FlatpageForm(data=dict(url='/a ? char/', **self.form_data)).is_valid())
diff --git a/django/contrib/flatpages/tests/views.py b/django/contrib/flatpages/tests/views.py
index 128669095e..89bdde2d92 100644
--- a/django/contrib/flatpages/tests/views.py
+++ b/django/contrib/flatpages/tests/views.py
@@ -1,6 +1,7 @@
 import os
 from django.conf import settings
 from django.contrib.auth.models import User
+from django.contrib.flatpages.models import FlatPage
 from django.test import TestCase
 
 class FlatpageViewTests(TestCase):
@@ -54,3 +55,18 @@ class FlatpageViewTests(TestCase):
         "A non-existent flatpage won't be served if the fallback middlware is disabled"
         response = self.client.get('/no_such_flatpage/')
         self.assertEquals(response.status_code, 404)
+
+    def test_view_flatpage_special_chars(self):
+        "A flatpage with special chars in the URL can be served through a view"
+        fp = FlatPage.objects.create(
+            url="/some.very_special~chars-here/",
+            title="A very special page",
+            content="Isn't it special!",
+            enable_comments=False,
+            registration_required=False,
+        )
+        fp.sites.add(1)
+
+        response = self.client.get('/flatpage_root/some.very_special~chars-here/')
+        self.assertEquals(response.status_code, 200)
+        self.assertContains(response, "<p>Isn't it special!</p>")