diff --git a/application/helpers/locale_helper.php b/application/helpers/locale_helper.php
index 51b893848..665d24266 100644
--- a/application/helpers/locale_helper.php
+++ b/application/helpers/locale_helper.php
@@ -112,10 +112,11 @@ function get_timezones()
 		'America/Chihuahua' => '(GMT-07:00) Chihuahua, La Paz, Mazatlan',
 		'America/Dawson_Creek' => '(GMT-07:00) Arizona',
 		'America/Belize' => '(GMT-06:00) Saskatchewan, Central America',
-		'America/Cancun' => '(GMT-06:00) Guadalajara, Mexico City, Monterrey',
+		'America/Mexico_City' => '(GMT-06:00) Guadalajara, Mexico City, Monterrey',
 		'Chile/EasterIsland' => '(GMT-06:00) Easter Island',
 		'America/Chicago' => '(GMT-06:00) Central Time (US & Canada)',
 		'America/New_York' => '(GMT-05:00) Eastern Time (US & Canada)',
+		'America/Cancun' => '(GMT-05:00) Cancun',
 		'America/Havana' => '(GMT-05:00) Cuba',
 		'America/Bogota' => '(GMT-05:00) Bogota, Lima, Quito, Rio Branco',
 		'America/Caracas' => '(GMT-04:30) Caracas',