diff --git a/resources/qml/Preferences/GeneralPage.qml b/resources/qml/Preferences/GeneralPage.qml
index 38ad26b3c6..132fd6890d 100755
--- a/resources/qml/Preferences/GeneralPage.qml
+++ b/resources/qml/Preferences/GeneralPage.qml
@@ -1,4 +1,4 @@
-// Copyright (c) 2016 Ultimaker B.V.
+// Copyright (c) 2017 Ultimaker B.V.
 // Cura is released under the terms of the AGPLv3 or higher.
 
 import QtQuick 2.1
@@ -148,19 +148,19 @@ UM.PreferencesPage
                         id: languageList
 
                         Component.onCompleted: {
-                            append({ text: "English", code: "en" })
-                            append({ text: "Deutsch", code: "de" })
-                            append({ text: "Español", code: "es" })
-                            append({ text: "Suomi", code: "fi" })
-                            append({ text: "Français", code: "fr" })
-                            append({ text: "Italiano", code: "it" })
-                            append({ text: "日本語", code: "ja" })
-                            append({ text: "한국어", code: "ko" })
-                            append({ text: "Nederlands", code: "nl" })
-                            append({ text: "Polski", code: "pl" })
+                            append({ text: "English", code: "en_US" })
+                            append({ text: "Deutsch", code: "de_DE" })
+                            append({ text: "Español", code: "es_ES" })
+                            append({ text: "Suomi", code: "fi_FI" })
+                            append({ text: "Français", code: "fr_FR" })
+                            append({ text: "Italiano", code: "it_IT" })
+                            append({ text: "日本語", code: "ja_JP" })
+                            append({ text: "한국어", code: "ko_KR" })
+                            append({ text: "Nederlands", code: "nl_NL" })
+                            append({ text: "Polski", code: "pl_PL" })
                             append({ text: "Português do Brasil", code: "pt_BR" })
-                            append({ text: "Русский", code: "ru" })
-                            append({ text: "Türkçe", code: "tr" })
+                            append({ text: "Русский", code: "ru_RU" })
+                            append({ text: "Türkçe", code: "tr_TR" })
                             append({ text: "简体中文", code: "zh_CN" })
 
                             var date_object = new Date();