diff --git a/django/core/defaultfilters.py b/django/core/defaultfilters.py
index 42b46d03ea..b9e0e67745 100644
--- a/django/core/defaultfilters.py
+++ b/django/core/defaultfilters.py
@@ -422,6 +422,7 @@ template.register_filter('center', center, True)
 template.register_filter('cut', cut, True)
 template.register_filter('date', date, True)
 template.register_filter('default', default, True)
+template.register_filter('default_if_none', default_if_none, True)
 template.register_filter('dictsort', dictsort, True)
 template.register_filter('dictsortreversed', dictsortreversed, True)
 template.register_filter('divisibleby', divisibleby, True)