diff --git a/scripts/lua/modules/prefs_menu.lua b/scripts/lua/modules/prefs_menu.lua
index 757327fe85..da5e17a984 100644
--- a/scripts/lua/modules/prefs_menu.lua
+++ b/scripts/lua/modules/prefs_menu.lua
@@ -11,7 +11,7 @@ local hasRadius = ntop.hasRadiusSupport()
 
 -- This table is used both to control access to the preferences and to filter preferences results
 local menu_subpages = {
-  {id="auth",          label=i18n("prefs.user_authentication"),  advanced=false, pro_only=true, nedge_hidden=true, hidden=false, entries={
+  {id="auth",          label=i18n("prefs.user_authentication"),  advanced=false, pro_only=true, nedge_hidden=true, hidden=not(prefs.is_users_login_enabled), entries={
     toggle_ldap_auth = {
       title       = i18n("prefs.toggle_ldap_auth"),
       description = i18n("prefs.toggle_ldap_auth_descr"),
diff --git a/src/Prefs.cpp b/src/Prefs.cpp
index 93b947399c..28d21b3c62 100755
--- a/src/Prefs.cpp
+++ b/src/Prefs.cpp
@@ -1621,6 +1621,7 @@ void Prefs::lua(lua_State* vm) {
   lua_push_bool_table_entry(vm, "is_flow_device_port_rrd_creation_enabled", enable_flow_device_port_rrd_creation);
 
   lua_push_bool_table_entry(vm, "are_alerts_enabled", !disable_alerts);
+  lua_push_bool_table_entry(vm, "is_users_login_enabled", enable_users_login);
 
   lua_push_uint64_table_entry(vm, "max_num_packets_per_tiny_flow", max_num_packets_per_tiny_flow);
   lua_push_uint64_table_entry(vm, "max_num_bytes_per_tiny_flow",   max_num_bytes_per_tiny_flow);