diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index 8f760b28617..67e676783da 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -219,8 +219,10 @@ ip_nat_out(unsigned int hooknum,
 	   const struct net_device *out,
 	   int (*okfn)(struct sk_buff *))
 {
+#ifdef CONFIG_XFRM
 	struct ip_conntrack *ct;
 	enum ip_conntrack_info ctinfo;
+#endif
 	unsigned int ret;
 
 	/* root is playing with raw sockets. */