diff --git a/wagtail/wagtailcore/migrations/0016_change_page_url_path_to_text_field.py b/wagtail/wagtailcore/migrations/0016_change_page_url_path_to_text_field.py
new file mode 100644
index 0000000000..d583afd61a
--- /dev/null
+++ b/wagtail/wagtailcore/migrations/0016_change_page_url_path_to_text_field.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wagtailcore', '0015_add_more_verbose_names'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='page',
+            name='url_path',
+            field=models.TextField(verbose_name='URL path', editable=False, blank=True),
+            preserve_default=True,
+        ),
+    ]
diff --git a/wagtail/wagtailcore/models.py b/wagtail/wagtailcore/models.py
index fe8bb728a9..479fdef344 100644
--- a/wagtail/wagtailcore/models.py
+++ b/wagtail/wagtailcore/models.py
@@ -274,7 +274,7 @@ class Page(six.with_metaclass(PageBase, MP_Node, ClusterableModel, index.Indexed
     content_type = models.ForeignKey('contenttypes.ContentType', verbose_name=_('Content type'), related_name='pages')
     live = models.BooleanField(verbose_name=_('Live'), default=True, editable=False)
     has_unpublished_changes = models.BooleanField(verbose_name=_('Has unpublished changes'), default=False, editable=False)
-    url_path = models.CharField(verbose_name=_('URL path'), max_length=255, blank=True, editable=False)
+    url_path = models.TextField(verbose_name=_('URL path'), blank=True, editable=False)
     owner = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name=_('Owner'), null=True, blank=True, editable=False, on_delete=models.SET_NULL, related_name='owned_pages')
 
     seo_title = models.CharField(verbose_name=_("Page title"), max_length=255, blank=True, help_text=_("Optional. 'Search Engine Friendly' title. This will appear at the top of the browser window."))