diff --git a/src/main/scala/org/congressodeiradicali/karlmarx/Localizer.scala b/src/main/scala/org/congressodeiradicali/karlmarx/Localizer.scala
index 54e7d2c..4926996 100644
--- a/src/main/scala/org/congressodeiradicali/karlmarx/Localizer.scala
+++ b/src/main/scala/org/congressodeiradicali/karlmarx/Localizer.scala
@@ -17,14 +17,17 @@
 
 package org.congressodeiradicali.karlmarx
 
+import org.congressodeiradicali.karlmarx.Locales.Locale
+
 object LocalizableString extends Enumeration {
   type LocalizableString = Value
   val BAN_UNAUTHORIZED, BAN_SUCCESSFUL, BAN_FAILED, BAN_FAILED_INVALID_USER, BAN_FAILED_BAN_ADMIN, BAN_FAILED_REPLY, KICK_UNAUTHORIZED = Value
   val NO_SUCH_PLUGIN, PLUGIN_ENABLED, PLUGIN_DISABLED = Value
 }
 
-object Locale {
-  val ENGLISH_LOCALE: Map[LocalizableString.Value, String] = Map(
+object Locales {
+  type Locale = Map[LocalizableString.Value, String]
+  val ENGLISH_LOCALE: Locale = Map(
     (LocalizableString.BAN_UNAUTHORIZED, "Only an administrator can ban users"),
     (LocalizableString.BAN_SUCCESSFUL, "User was banned successfully"),
     (LocalizableString.BAN_FAILED, "Cannot ban, something went wrong"),
@@ -38,7 +41,7 @@ object Locale {
     (LocalizableString.PLUGIN_DISABLED, "Plugin disabled")
   )
 
-  val ITALIAN_LOCALE: Map[LocalizableString.Value, String] = Map(
+  val ITALIAN_LOCALE: Locale = Map(
     (LocalizableString.BAN_UNAUTHORIZED, "Solo un amministratore può bannare gli utenti"),
     (LocalizableString.BAN_SUCCESSFUL, "Utente bannato con successo"),
     (LocalizableString.BAN_FAILED, "Non sono riuscito a bannare, qualcosa è andato storto"),
@@ -53,12 +56,16 @@ object Locale {
   )
 }
 
-class Localizer(val locale: String) {
-
-  def getString(name: LocalizableString.Value): String = locale match {
-    case "en_EN" => Locale.ENGLISH_LOCALE(name)
-    case "it_IT" => Locale.ITALIAN_LOCALE(name)
-    case _       => Locale.ENGLISH_LOCALE(name)
+class Localizer(val localeName: String) {
+  val currentLocale: Locale = localeName match {
+    case "en_EN" => Locales.ENGLISH_LOCALE
+    case "it_IT" => Locales.ITALIAN_LOCALE
+    case _       => throw new RuntimeException(s"No such locale: $localeName")
+  }
+  def getString(name: LocalizableString.Value): String = {
+    if (currentLocale.contains(name))
+      currentLocale(name)
+    else
+      throw new RuntimeException(s"Locale does not implement LocalizableString $name")
   }
-
 }