diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index a08825b7e955c..1e04911b78ea2 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -270,12 +270,12 @@ static inline int nf_ct_is_template(const struct nf_conn *ct)
 }
 
 /* It's confirmed if it is, or has been in the hash table. */
-static inline int nf_ct_is_confirmed(struct nf_conn *ct)
+static inline int nf_ct_is_confirmed(const struct nf_conn *ct)
 {
 	return test_bit(IPS_CONFIRMED_BIT, &ct->status);
 }
 
-static inline int nf_ct_is_dying(struct nf_conn *ct)
+static inline int nf_ct_is_dying(const struct nf_conn *ct)
 {
 	return test_bit(IPS_DYING_BIT, &ct->status);
 }