frontend/src/i18n/getDefaultLocale.ts

@@ -1,9 +1,15 @@
 const supportedLocales = ["sv", "en"];
 
 export function getDefaultLocale(): string {
-  const lang = navigator.language.split("-")[0]; // "en-US" -> "en"
+  const userPreferredLangs = navigator.languages.map(
+    (lang) => lang.split("-")[0],
+  );
+
+  for (const lang of userPreferredLangs) {
     if (supportedLocales.includes(lang)) {
       return lang;
     }
-  return "sv"; // fallback to Swedish
+  }
+
+  return "en"; // fallback to English
 }