diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index eedf2c9..b898364 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -127,7 +127,7 @@
 
 #ifdef CONFIG_BRIDGE_NETFILTER
 	/* remember the MTU in the rtable for PMTU */
-	br->fake_rtable.u.dst.metrics[RTAX_MTU - 1] = new_mtu;
+	br->fake_rtable.dst.metrics[RTAX_MTU - 1] = new_mtu;
 #endif
 
 	return 0;