diff --git a/pandora/person/models.py b/pandora/person/models.py
index 53ac4e88..4beb62e5 100644
--- a/pandora/person/models.py
+++ b/pandora/person/models.py
@@ -70,3 +70,14 @@ class Person(models.Model):
                 if key not in keys:
                     del j[key]
         return j
+
+
+def update_sort_name():
+    for p in Person.objects.all():
+        _name_sort = ox.get_sort_name(p.name)
+        _name_sort = unicodedata.normalize('NFKD', _name_sort)
+        if (not p.edited and _name_sort != p.name_sort) or \
+           (p.edited and _name_sort == p.name_sort):
+            p.name_sort = _name_sort
+            p.edited = False
+            p.save()
diff --git a/pandora/title/models.py b/pandora/title/models.py
index abf1aa51..e5e36fde 100644
--- a/pandora/title/models.py
+++ b/pandora/title/models.py
@@ -62,3 +62,13 @@ class Title(models.Model):
                 if key not in keys:
                     del j[key]
         return j
+
+def update_sort_title():
+    for t in Title.objects.all():
+        _title_sort = ox.get_sort_title(t.title)
+        _title_sort = unicodedata.normalize('NFKD', _title_sort)
+        if (not t.edited and _title_sort != t.title_sort) or \
+           (t.edited and _title_sort == t.title_sort):
+            t.title_sort = _title_sort
+            t.edited = False
+            t.save()