diff --git a/src/main/kotlin/com/marvinelsen/willow/WillowApplication.kt b/src/main/kotlin/com/marvinelsen/willow/WillowApplication.kt
index f871bb2..0621ee4 100644
--- a/src/main/kotlin/com/marvinelsen/willow/WillowApplication.kt
+++ b/src/main/kotlin/com/marvinelsen/willow/WillowApplication.kt
@@ -29,6 +29,7 @@ class WillowApplication : Application() {
         private const val FONT_SIZE = 12.0
 
         private const val JDBC_CONNECTION_STRING = "jdbc:sqlite:dictionary.db"
+        val resourceBundle: ResourceBundle = ResourceBundle.getBundle("i18n/willow", Locale.US)
     }
 
     override fun init() {
@@ -45,7 +46,7 @@ class WillowApplication : Application() {
         val model = Model(searchService, findWordsService)
 
         val fxmlLoader = FXMLLoader()
-        fxmlLoader.resources = ResourceBundle.getBundle("i18n/willow", Locale.US)
+        fxmlLoader.resources = resourceBundle
         fxmlLoader.controllerFactory = Callback { type ->
             when (type) {
                 MainController::class.java -> MainController(model)