diff --git a/src/calls-application.c b/src/calls-application.c
index 7846be4..7504625 100644
--- a/src/calls-application.c
+++ b/src/calls-application.c
@@ -763,9 +763,9 @@ finalize (GObject *object)
   g_clear_handle_id (&self->id_sigint, g_source_remove);
 
   if (self->main_window)
-    gtk_widget_destroy (GTK_WIDGET (self->main_window));
+    gtk_window_destroy (GTK_WINDOW (self->main_window));
   if (self->call_window)
-    gtk_widget_destroy (GTK_WIDGET (self->call_window));
+    gtk_window_destroy (GTK_WINDOW (self->call_window));
 
   g_clear_object (&self->record_store);
   g_clear_object (&self->ringer);
diff --git a/src/calls-main-window.c b/src/calls-main-window.c
index fe19abb..0c6c8eb 100644
--- a/src/calls-main-window.c
+++ b/src/calls-main-window.c
@@ -414,7 +414,7 @@ dispose (GObject *object)
 
   g_clear_object (&self->record_store);
   if (self->account_overview) {
-    gtk_widget_destroy (GTK_WIDGET (self->account_overview));
+    gtk_window_destroy (GTK_WINDOW (self->account_overview));
     self->account_overview = NULL;
   }