diff --git a/winpr/libwinpr/timezone/TimeZoneNameMap.json b/winpr/libwinpr/timezone/TimeZoneNameMap.json
index 10a00617e..e86e9c9a0 100644
--- a/winpr/libwinpr/timezone/TimeZoneNameMap.json
+++ b/winpr/libwinpr/timezone/TimeZoneNameMap.json
@@ -453,7 +453,7 @@
 			"StandardName": "South Sudan Standard Time",
 			"DisplayName": "(UTC+02:00) Juba",
 			"DaylightName": "South Sudan Daylight Time",
-			"Iana": ""
+			"Iana": "Africa/Juba"
 		},
 		{
 			"Id": "Kaliningrad Standard Time",
diff --git a/winpr/libwinpr/timezone/TimeZoneNameMap_static.h b/winpr/libwinpr/timezone/TimeZoneNameMap_static.h
index 467937d71..3389345b3 100644
--- a/winpr/libwinpr/timezone/TimeZoneNameMap_static.h
+++ b/winpr/libwinpr/timezone/TimeZoneNameMap_static.h
@@ -134,7 +134,7 @@ static const TimeZoneNameMapEntry TimeZoneNameMap[] = {
 	{ "Israel Standard Time", "Jerusalem Standard Time", "(UTC+02:00) Jerusalem",
 	  "Jerusalem Daylight Time", "Asia/Jerusalem" },
 	{ "South Sudan Standard Time", "South Sudan Standard Time", "(UTC+02:00) Juba",
-	  "South Sudan Daylight Time", "" },
+	  "South Sudan Daylight Time", "Africa/Juba" },
 	{ "Kaliningrad Standard Time", "Russia TZ 1 Standard Time", "(UTC+02:00) Kaliningrad",
 	  "Russia TZ 1 Daylight Time", "Europe/Kaliningrad" },
 	{ "Sudan Standard Time", "Sudan Standard Time", "(UTC+02:00) Khartoum", "Sudan Daylight Time",