diff --git a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/admin.pref b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/admin.pref
index e3790c5543..ff475a5ddb 100644
--- a/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/admin.pref
+++ b/koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/admin.pref
@@ -115,6 +115,7 @@ Administration:
               choices:
                   yes: "Yes"
                   no: "No"
+            - "<p class='text-danger'><strong>Warning:</strong> Changing this system preference will radically alter the behavior of Koha. Changing preference on a production system is highly discouraged.</p>"
         -
             - "Prevent staff (but not superlibrarians) from viewing and approving/denying patron modification requests for patrons belonging to other libraries: "
             - pref: IndependentBranchesPatronModifications