diff --git a/libupower-glib/up-device.c b/libupower-glib/up-device.c
index ec1b25b..7bce4e0 100644
--- a/libupower-glib/up-device.c
+++ b/libupower-glib/up-device.c
@@ -273,7 +273,10 @@ up_device_to_text (UpDevice *device)
 	/* get a human readable time */
 	t = (time_t) up_exported_device_get_update_time (priv->proxy_device);
 	time_tm = localtime (&t);
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-y2k"
 	strftime (time_buf, sizeof time_buf, "%c", time_tm);
+#pragma GCC diagnostic pop
 
 	string = g_string_new ("");
 	if (!is_display)