diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index a67575d..68a14c0 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -20,7 +20,7 @@
 #include <net/addrconf.h>
 
 static void
-__xfrm6_init_tempsel(struct xfrm_selector *sel, struct flowi *fl)
+__xfrm6_init_tempsel(struct xfrm_selector *sel, const struct flowi *fl)
 {
 	/* Initialize temporary selector matching only
 	 * to current session. */