diff --git a/builtins/set.def b/builtins/set.def
index f582a41..c585fa5 100644
--- a/builtins/set.def
+++ b/builtins/set.def
@@ -653,6 +653,9 @@ set_builtin (list)
{
switch (flag_name)
{
+ case GETOPT_HELP:
+ builtin_usage ();
+ return (EX_USAGE);
case 'i': /* don't allow set -i */
s[0] = list_opttype;
s[1] = 'i';sincerely, pg
