diff --git a/src/importer/importer.py b/src/importer/importer.py
index 6fb41b3..0c7b309 100644
--- a/src/importer/importer.py
+++ b/src/importer/importer.py
@@ -249,9 +249,9 @@ class Importer(ErrorProducer):
             list_box = Gtk.ListBox()
             list_box.set_selection_mode(Gtk.SelectionMode.NONE)
             list_box.set_css_classes(["boxed-list"])
-            list_box.set_margin_top(16)
+            list_box.set_margin_top(8)
             for error in errors:
-                row = Adw.ActionRow()
+                row = Adw.ActionRow.new()
                 row.set_title(error[0])
                 row.set_subtitle(error[1])
                 list_box.append(row)