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-rw-r--r--gtk/gtktreesortable.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gtk/gtktreesortable.c b/gtk/gtktreesortable.c
index fe965ad9db..383b9032fc 100644
--- a/gtk/gtktreesortable.c
+++ b/gtk/gtktreesortable.c
@@ -168,7 +168,7 @@ gtk_tree_sortable_set_sort_func (GtkTreeSortable *sortable,
g_return_if_fail (iface != NULL);
g_return_if_fail (iface->set_sort_func != NULL);
- g_return_if_fail (sort_column_id > 0);
+ g_return_if_fail (sort_column_id >= 0);
(* iface->set_sort_func) (sortable, sort_column_id, sort_func, user_data, destroy);
}