diff --git a/trac-env/conf/trac.ini b/trac-env/conf/trac.ini
index 9f8b95d..d8bb307 100644
--- a/trac-env/conf/trac.ini
+++ b/trac-env/conf/trac.ini
@@ -46,7 +46,7 @@ tracspamfilter.filters.regex.* = enabled
 tracspamfilter.filters.session.* = enabled
 
 [djangoplugin]
-reserved_usernames = authenticated,admins,fellows,spamreview,supertriagers
+reserved_usernames = authenticated,admins,fellows,spamreview,supertriagers,wikiadmins
 
 [github]
 branches = main stable/*