diff --git a/thunar/thunar-chooser-dialog.c b/thunar/thunar-chooser-dialog.c
index 1ce3f32..d5720b3 100644
--- a/thunar/thunar-chooser-dialog.c
+++ b/thunar/thunar-chooser-dialog.c
@@ -413,6 +413,8 @@ thunar_chooser_dialog_response (GtkDialog *widget,
       selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (dialog->tree_view));
       if (gtk_tree_selection_get_selected (selection, &model, &iter))
         gtk_tree_model_get (model, &iter, THUNAR_CHOOSER_MODEL_COLUMN_APPLICATION, &app_info, -1);
+      else
+        app_info = NULL;
     }
   else
     {