diff --git a/src/app.cpp b/src/app.cpp
index fb21fb9..11def03 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -169,7 +169,33 @@ void App::initApp() {
     setTitle("YP Direct Chat");
     setCssTheme("");
     useStyleSheet("style.css");
+    // Basis-Bundle (englisch)
     messageResourceBundle().use("../docroot/text");
+
+    // Sprachspezifische Bundles explizit nachladen, abhängig von der gesetzten Locale
+    auto locName = locale().name(); // z.B. "de_DE", "en_GB", "en_US", "ja_JP"
+    if (locName.rfind("de", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_de_DE");
+    } else if (locName == "en_US") {
+        messageResourceBundle().use("../docroot/text_en_US");
+    } else if (locName.rfind("en", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_en_GB");
+    } else if (locName.rfind("fr", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_fr_FR");
+    } else if (locName.rfind("es", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_es_ES");
+    } else if (locName.rfind("it", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_it_IT");
+    } else if (locName.rfind("tl", 0) == 0 || locName.rfind("fil", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_tl_PH");
+    } else if (locName.rfind("ja", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_ja_JP");
+    } else if (locName.rfind("zh", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_zh_CN");
+    } else if (locName.rfind("th", 0) == 0) {
+        messageResourceBundle().use("../docroot/text_th_TH");
+    }
+
     internalPathChanged().connect(this, &App::onInternalPathChanged);
 }