diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index acb306a..920dc9c 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -223,6 +223,7 @@
 		return -EINVAL;
 	remove_proc_entry(idev->stats.proc_dir_entry->name,
 			  proc_net_devsnmp6);
+	idev->stats.proc_dir_entry = NULL;
 	return 0;
 }