diff --git a/src/com/android/settings/localepicker/AppLocalePickerActivity.java b/src/com/android/settings/localepicker/AppLocalePickerActivity.java
index b099866d218..45499eed8bc 100644
--- a/src/com/android/settings/localepicker/AppLocalePickerActivity.java
+++ b/src/com/android/settings/localepicker/AppLocalePickerActivity.java
@@ -114,7 +114,7 @@ public class AppLocalePickerActivity extends SettingsBaseActivity
         if (localeInfo == null || localeInfo.getLocale() == null || localeInfo.isSystemLocale()) {
             setAppDefaultLocale("");
         } else {
-            setAppDefaultLocale(localeInfo.getLocale().getLanguage());
+            setAppDefaultLocale(localeInfo.getLocale().toLanguageTag());
         }
         finish();
     }