diff --git a/src/store/index.js b/src/store/index.js
index 53da26c..dfe9b2a 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -27,9 +27,12 @@ const store = new Vuex.Store(options);
 
 if ([undefined, null].includes(store.state.settings.lang)) {
   const defaultLang = "en";
-  // when more languages are available, use Map instead of prefer logic
-  const preferChinese = navigator.language.slice(0, 2) === "zh";
-  store.state.settings.lang = preferChinese ? "zh-CN" : defaultLang;
+  const langMapper = new Map()
+    .set("zh", "zh-CN")
+    .set("en", "en")
+    .set("tr", "tr");
+  store.state.settings.lang =
+    langMapper.get(navigator.language.slice(0, 2)) || defaultLang;
   localStorage.setItem("settings", JSON.stringify(store.state.settings));
 }