diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 5292560..cd078df 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -842,8 +842,8 @@ static __net_init int dccp_net_init(struct net *net)
 
 static __net_exit void dccp_net_exit(struct net *net)
 {
-	struct dccp_net *dn = dccp_pernet(net);
 #ifdef CONFIG_SYSCTL
+	struct dccp_net *dn = dccp_pernet(net);
 	unregister_net_sysctl_table(dn->sysctl_header);
 	kfree(dn->sysctl_table);
 #endif