diff --git a/locales/AR_ar.json b/locales/ar_AR.json
similarity index 100%
rename from locales/AR_ar.json
rename to locales/ar_AR.json
diff --git a/locales/DE_de.json b/locales/de_DE.json
similarity index 100%
rename from locales/DE_de.json
rename to locales/de_DE.json
diff --git a/locales/US_en.json b/locales/en_US.json
similarity index 100%
rename from locales/US_en.json
rename to locales/en_US.json
diff --git a/locales/ES_es.json b/locales/es_ES.json
similarity index 100%
rename from locales/ES_es.json
rename to locales/es_ES.json
diff --git a/locales/FR_fr.json b/locales/fr_FR.json
similarity index 100%
rename from locales/FR_fr.json
rename to locales/fr_FR.json
diff --git a/locales/IT_it.json b/locales/it_IT.json
similarity index 100%
rename from locales/IT_it.json
rename to locales/it_IT.json
diff --git a/locales/JP_ja.json b/locales/ja_JP.json
similarity index 100%
rename from locales/JP_ja.json
rename to locales/ja_JP.json
diff --git a/locales/KR_ko.json b/locales/ko_KR.json
similarity index 100%
rename from locales/KR_ko.json
rename to locales/ko_KR.json
diff --git a/locales/NO_nb.json b/locales/nb_NO.json
similarity index 100%
rename from locales/NO_nb.json
rename to locales/nb_NO.json
diff --git a/locales/NL_nl.json b/locales/nl_NL.json
similarity index 100%
rename from locales/NL_nl.json
rename to locales/nl_NL.json
diff --git a/locales/PL_pl.json b/locales/pl_PL.json
similarity index 100%
rename from locales/PL_pl.json
rename to locales/pl_PL.json
diff --git a/locales/BR_pt.json b/locales/pt_BR.json
similarity index 100%
rename from locales/BR_pt.json
rename to locales/pt_BR.json
diff --git a/locales/RO_ro.json b/locales/ro_RO.json
similarity index 100%
rename from locales/RO_ro.json
rename to locales/ro_RO.json
diff --git a/locales/RU_ru.json b/locales/ru_RU.json
similarity index 100%
rename from locales/RU_ru.json
rename to locales/ru_RU.json
diff --git a/locales/TR_tr.json b/locales/tr_TR.json
similarity index 100%
rename from locales/TR_tr.json
rename to locales/tr_TR.json
diff --git a/locales/CN_zh.json b/locales/zh_CN.json
similarity index 100%
rename from locales/CN_zh.json
rename to locales/zh_CN.json
diff --git a/src/middleware/render-data.js b/src/middleware/render-data.js
index f534edb..50f1f97 100644
--- a/src/middleware/render-data.js
+++ b/src/middleware/render-data.js
@@ -8,7 +8,7 @@ async function renderDataMiddleware(request, response, next) {
 
 	// Get user local
 	const reqLocale = request.locale;
-	const locale = util.getLocale(reqLocale.region, reqLocale.language);
+	const locale = util.getLocale(reqLocale.language, reqLocale.region);
 
 	response.locals.locale = locale;
 	response.locals.localeString = reqLocale.toString();
@@ -40,4 +40,4 @@ async function renderDataMiddleware(request, response, next) {
 	}
 }
 
-module.exports = renderDataMiddleware;
\ No newline at end of file
+module.exports = renderDataMiddleware;
diff --git a/src/server.js b/src/server.js
index fd2cd7a..2dce61b 100644
--- a/src/server.js
+++ b/src/server.js
@@ -12,7 +12,7 @@ const database = require('./database');
 const util = require('./util');
 const logger = require('./logger');
 const config = require('../config.json');
-const defaultLocale = require('../locales/US_en.json');
+const defaultLocale = require('../locales/en_US.json');
 
 const { http: { port } } = config;
 const app = express();
diff --git a/src/util.js b/src/util.js
index f7df0d8..90f4c6a 100644
--- a/src/util.js
+++ b/src/util.js
@@ -13,16 +13,16 @@ function fullUrl(request) {
 	return `${request.protocol}://${request.hostname}${request.originalUrl}`;
 }
 
-function getLocale(region, language) {
-	const path = `${__dirname}/../locales/${region}_${language}.json`;
+function getLocale(language, region) {
+	const path = `${__dirname}/../locales/${language}_${region}.json`;
 
 	if (fs.pathExistsSync(path)) {
 		return require(path);
 	}
 
-	logger.warn(`Could not find locale ${region}_${language}! Loading US_en`);
+	logger.warn(`Could not find locale ${language}_${region}! Loading en_US`);
 
-	return require(`${__dirname}/../locales/US_en.json`);
+	return require(`${__dirname}/../locales/en_US.json`);
 }
 
 function apiGetRequest(path, headers) {