diff --git a/config/site_settings.yml b/config/site_settings.yml
index f66bfc6a395..0329f89bd13 100644
--- a/config/site_settings.yml
+++ b/config/site_settings.yml
@@ -266,7 +266,7 @@ users:
     max: 60
   reserved_usernames:
     type: list
-    default: "admin|moderator|administrator|mod|sys|system|community|info|you|name|username|user|nickname|discourse|discourseorg|discourseforum"
+    default: "admin|moderator|administrator|mod|sys|system|community|info|you|name|username|user|nickname|discourse|discourseorg|discourseforum|support"
   min_password_length:
     client: true
     default: 8