diff --git i/src/ocrfeeder/studio/studioBuilder.py w/src/ocrfeeder/studio/studioBuilder.py
index 7a2ccdc..7af19d9 100644
--- i/src/ocrfeeder/studio/studioBuilder.py
+++ w/src/ocrfeeder/studio/studioBuilder.py
@@ -144,7 +144,7 @@ class Studio:
         if not self.ocr_engines:
             engines = self.configuration_manager.getEnginesInSystem()
             if engines:
-                add_engines_dialog = widgetPresenter.SystemEnginesDialog(engines)
+                add_engines_dialog = widgetPresenter.SystemEnginesDialog(self.main_window, engines)
                 response = add_engines_dialog.run()
                 if response == Gtk.ResponseType.ACCEPT:
                     for engine in add_engines_dialog.getChosenEngines():