diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 452a82ce4796..9b1ec9714ad6 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2281,8 +2281,9 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
 		break;
 
 	case NETDEV_CHANGENAME:
-#ifdef CONFIG_SYSCTL
 		if (idev) {
+			snmp6_unregister_dev(idev);
+#ifdef CONFIG_SYSCTL
 			addrconf_sysctl_unregister(&idev->cnf);
 			neigh_sysctl_unregister(idev->nd_parms);
 			neigh_sysctl_register(dev, idev->nd_parms,
@@ -2290,8 +2291,9 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
 					      &ndisc_ifinfo_sysctl_change,
 					      NULL);
 			addrconf_sysctl_register(idev, &idev->cnf);
-		}
 #endif
+			snmp6_register_dev(idev);
+		}
 		break;
 	};
 
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index fa3fb509f187..d57853daf874 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -236,6 +236,7 @@ int snmp6_unregister_dev(struct inet6_dev *idev)
 		return -EINVAL;
 	remove_proc_entry(idev->stats.proc_dir_entry->name,
 			  proc_net_devsnmp6);
+	idev->stats.proc_dir_entry = NULL;
 	return 0;
 }