diff --git a/admin/roles/assign.php b/admin/roles/assign.php
index 4fcc58c8415..35c199da15a 100755
--- a/admin/roles/assign.php
+++ b/admin/roles/assign.php
@@ -199,7 +199,7 @@
     print_heading_with_help(get_string('assignroles', 'role'), 'assignroles');
 
     if ($context->contextlevel==CONTEXT_SYSTEM) {
-        print_box(get_string('globalroleswarning', 'role'));
+        print_simple_box(get_string('globalroleswarning', 'role'));
     }
 
     if ($roleid) {        /// prints a form to swap roles