diff --git a/glib/gspawn.c b/glib/gspawn.c
index 37f7cd34b..4fe60a584 100644
--- a/glib/gspawn.c
+++ b/glib/gspawn.c
@@ -1258,7 +1258,7 @@ do_exec (gint                  child_err_report_fd,
   else if (!child_inherits_stdin)
     {
       /* Keep process from blocking on a read of stdin */
-      gint read_null = open ("/dev/null", O_RDONLY);
+      gint read_null = sane_open ("/dev/null", O_RDONLY);
       g_assert (read_null != -1);
       sane_dup2 (read_null, 0);
       close_and_invalidate (&read_null);