1 files changed, 2 insertions, 1 deletions

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index f2b801c4b555..089a09d001d1 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -46,7 +46,8 @@ struct prefix_info {
 #include <net/if_inet6.h>
 #include <net/ipv6.h>
 
-#define IN6_ADDR_HSIZE          16
+#define IN6_ADDR_HSIZE_SHIFT    4
+#define IN6_ADDR_HSIZE          (1 << IN6_ADDR_HSIZE_SHIFT)
 
 extern int                      addrconf_init(void);
 extern void                     addrconf_cleanup(void);