diff --git a/apps/locale/locales.js b/apps/locale/locales.js
index fc7a545d7..01b482e10 100644
--- a/apps/locale/locales.js
+++ b/apps/locale/locales.js
@@ -146,7 +146,7 @@ var locales = {
     temperature: "°F",
     ampm: { 0: "", 1: "" },
     timePattern: { 0: "%HH:%MM:%SS ", 1: "%HH:%MM" },
-    datePattern: { 0: "%y/%M/%d", 1: "%y/%m;/%d" },
+    datePattern: { 0: "%Y/%m/%d", 1: "%y/%m/%d" },
     abmonth: "Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec",
     month: "January,February,March,April,May,June,July,August,September,October,November,December",
     abday: "Sun,Mon,Tue,Wed,Thu,Fri,Sat",