diff --git a/src/dnssec.c b/src/dnssec.c
index 961941a4..7d414cd4 100644
--- a/src/dnssec.c
+++ b/src/dnssec.c
@@ -857,6 +857,7 @@ static getdns_dict *CD_extension(getdns_dns_req *dnsreq)
 	     ? dnssec_ok_checking_disabled_roadblock_avoidance
 	     : dnssec_ok_checking_disabled_avoid_roadblocks;
 #else
+	(void)dnsreq;
 	return dnssec_ok_checking_disabled;
 #endif
 }