diff --git a/include/types/ssl_sock.h b/include/types/ssl_sock.h
index 0d6ed63..f7960c2 100644
--- a/include/types/ssl_sock.h
+++ b/include/types/ssl_sock.h
@@ -36,7 +36,8 @@
 struct sni_ctx {
 	SSL_CTX *ctx;             /* context associated to the certificate */
 	int order;                /* load order for the certificate */
-	uint8_t neg;              /* reject if match */
+	uint8_t neg:1;              /* reject if match */
+	uint8_t wild:1;            /* wildcard sni */
 	struct pkey_info kinfo;   /* pkey info */
 	struct ssl_bind_conf *conf; /* ssl "bind" conf for the certificate */
 	struct list by_ckch_inst; /* chained in ckch_inst's list of sni_ctx */