diff --git a/launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/GtkEnvBackend.kt b/launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/GtkEnvBackend.kt
index f7dd950..b9a5cc3 100644
--- a/launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/GtkEnvBackend.kt
+++ b/launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/GtkEnvBackend.kt
@@ -74,10 +74,11 @@ object GtkEnvBackend : EnvBackend {
         ok: Runnable?,
         cancel: Runnable?
     ) {
-        val dialog = AlertDialog("")
-        dialog.message = title
-        dialog.detail = markup
-        dialog.modal = true
+        val dialog = AlertDialog.builder()
+            .message(title)
+            .detail(markup)
+            .modal(true)
+            .build()
         when {
             cancel == null -> {
                 dialog.setButtons(arrayOf(I18n["ok"]))