diff -r 6641e941ef1e -r ff1a9aa48cfd app/django/contrib/admin/models.py
--- a/app/django/contrib/admin/models.py	Tue Oct 14 12:36:55 2008 +0000
+++ b/app/django/contrib/admin/models.py	Tue Oct 14 16:00:59 2008 +0000
@@ -1,6 +1,7 @@
 from django.db import models
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.auth.models import User
+from django.contrib.admin.util import quote
 from django.utils.translation import ugettext_lazy as _
 from django.utils.encoding import smart_unicode
 from django.utils.safestring import mark_safe
@@ -50,4 +51,4 @@
         Returns the admin URL to edit the object represented by this log entry.
         This is relative to the Django admin index page.
         """
-        return mark_safe(u"%s/%s/%s/" % (self.content_type.app_label, self.content_type.model, self.object_id))
+        return mark_safe(u"%s/%s/%s/" % (self.content_type.app_label, self.content_type.model, quote(self.object_id)))