diff --git a/localedata/locales/id_ID b/localedata/locales/id_ID
index e306076e8b..e124b27b17 100644
--- a/localedata/locales/id_ID
+++ b/localedata/locales/id_ID
@@ -120,7 +120,7 @@ date_fmt    "%a %d %b %Y %r %Z"
 d_fmt       "%d//%m//%y"
 t_fmt       "%T"
 am_pm       "AM";"PM"
-t_fmt_ampm  ""
+t_fmt_ampm  "%I:%M:%S %p"
 week 7;19971130;1
 END LC_TIME