GladeXML *xml = data;
GtkWidget *dest = get_widget_assert (xml, "variables-treeview");
GtkWidget *entry = get_widget_assert (xml, "new-name-entry");
- GtkTreeModel *dmodel = gtk_tree_view_get_model (dest);
+ GtkTreeModel *dmodel = gtk_tree_view_get_model (GTK_TREE_VIEW (dest));
gtk_list_store_clear (GTK_LIST_STORE (dmodel));
gtk_entry_set_text (GTK_ENTRY (entry), "");