diff --git a/django/core/template/defaultfilters.py b/django/core/template/defaultfilters.py
index 9ef367ee52..746fa9b873 100644
--- a/django/core/template/defaultfilters.py
+++ b/django/core/template/defaultfilters.py
@@ -423,6 +423,7 @@ register_filter('center', center, True)
 register_filter('cut', cut, True)
 register_filter('date', date, True)
 register_filter('default', default, True)
+register_filter('default_if_none', default_if_none, True)
 register_filter('dictsort', dictsort, True)
 register_filter('dictsortreversed', dictsortreversed, True)
 register_filter('divisibleby', divisibleby, True)