diff --git a/public/scripts/localization.js b/public/scripts/localization.js
index 8fd7942..62b11aa 100644
--- a/public/scripts/localization.js
+++ b/public/scripts/localization.js
@@ -31,7 +31,13 @@ class Localization {
     }
 
     static getSupportedOrDefault(locales) {
-        return locales.find(Localization.isSupported) || Localization.defaultLocale;
+        let localesGeneric = locales
+            .map(locale => locale.split("-")[0])
+            .filter(locale => locales.indexOf(locale) === -1);
+
+        return locales.find(Localization.isSupported)
+            || localesGeneric.find(Localization.isSupported)
+            || Localization.defaultLocale;
     }
 
     static async setTranslation(locale) {
diff --git a/public_included_ws_fallback/scripts/localization.js b/public_included_ws_fallback/scripts/localization.js
index 8fd7942..62b11aa 100644
--- a/public_included_ws_fallback/scripts/localization.js
+++ b/public_included_ws_fallback/scripts/localization.js
@@ -31,7 +31,13 @@ class Localization {
     }
 
     static getSupportedOrDefault(locales) {
-        return locales.find(Localization.isSupported) || Localization.defaultLocale;
+        let localesGeneric = locales
+            .map(locale => locale.split("-")[0])
+            .filter(locale => locales.indexOf(locale) === -1);
+
+        return locales.find(Localization.isSupported)
+            || localesGeneric.find(Localization.isSupported)
+            || Localization.defaultLocale;
     }
 
     static async setTranslation(locale) {