diff --git a/package/gluon-config-mode-hostname/check_site.lua b/package/gluon-config-mode-hostname/check_site.lua
index a2f8d606..84899ec7 100644
--- a/package/gluon-config-mode-hostname/check_site.lua
+++ b/package/gluon-config-mode-hostname/check_site.lua
@@ -1,2 +1,2 @@
 need_boolean(in_site({'config_mode', 'hostname', 'optional'}), false)
-need_boolean(in_site({'config_mode', 'hostname', 'prefill'}), true)
+need_boolean(in_site({'config_mode', 'hostname', 'prefill'}), false)