diff --git a/gio/gio.symbols b/gio/gio.symbols
index e68e102db..64275aebc 100644
--- a/gio/gio.symbols
+++ b/gio/gio.symbols
@@ -2079,3 +2079,10 @@ g_tls_server_connection_get_type G_GNUC_CONST
 g_tls_server_connection_new
 #endif
 #endif
+
+#if IN_HEADER(__G_TIME_ZONE_MONITOR_H__)
+#if IN_FILE(__G_TIME_ZONE_MONITOR_C__)
+g_time_zone_monitor_get_type G_GNUC_CONST
+g_time_zone_monitor_get
+#endif
+#endif