diff --git a/lms/djangoapps/simplewiki/migrations/0004_multicourse_data_migration.py b/lms/djangoapps/simplewiki/migrations/0004_multicourse_data_migration.py
index 5f12d50611..5f61eb9d1d 100644
--- a/lms/djangoapps/simplewiki/migrations/0004_multicourse_data_migration.py
+++ b/lms/djangoapps/simplewiki/migrations/0004_multicourse_data_migration.py
@@ -7,7 +7,7 @@ from django.db import models
 class Migration(DataMigration):
 
     def forwards(self, orm):
-        namespace6002x, created = orm.Namespace.objects.get_or_create(name="6002xS12")
+        namespace6002x, created = orm.Namespace.objects.get_or_create(name="6.002xS12")
         if created:
             namespace6002x.save()
         
diff --git a/lms/djangoapps/simplewiki/urls.py b/lms/djangoapps/simplewiki/urls.py
index 4869d394b4..2d01c06bf9 100644
--- a/lms/djangoapps/simplewiki/urls.py
+++ b/lms/djangoapps/simplewiki/urls.py
@@ -1,6 +1,6 @@
 from django.conf.urls.defaults import patterns, url
 
-namespace_regex = r"[a-zA-Z\d_-]+"
+namespace_regex = r"[a-zA-Z\d._-]+"
 article_slug = r'/(?P<article_path>' + namespace_regex + r'/[a-zA-Z\d_-]*)'
 namespace = r'/(?P<namespace>' + namespace_regex + r')'