diff --git a/theme/templates/macros/getters.html b/theme/templates/macros/getters.html
index 6e9313af0b08dbdafde8e69df52f3ae5098669dd..1c1088d4e26ed72f34c271193e9883acf3d3a986 100644
--- a/theme/templates/macros/getters.html
+++ b/theme/templates/macros/getters.html
@@ -1,6 +1,6 @@
 {%- macro category_by_name(catname, ignore_native = False) -%}
 	{%- if ignore_native -%}
-		{{- caller(null, sc.categories[catname], null) -}}
+		{{- caller(None, sc.categories[catname], None) -}}
 	{%- else -%}
 		{%- for nativecat, catarticles in categories -%}
 			{%- if nativecat.name == catname -%}