--- mod_authz_ldap-0.26/module/certmap.c.sslvar
+++ mod_authz_ldap-0.26/module/certmap.c
@@ -193,7 +193,7 @@ char	*authz_ldap_get_ms_x500_alt_securit
 	sec = ap_get_module_config(r->per_dir_config, &authz_ldap_module);
 
 	/* retrieve the certificate in PEM form				*/
-	xp = ssl_var_lookup(r->pool, r->server, r->connection, r,
+	xp = do_ssl_var_lookup(r->pool, r->server, r->connection, r,
 		"SSL_CLIENT_CERT");
 	if (NULL == xp) { 
 		AUTHZ_DEBUG2("[%d] not certificate found", (int)getpid());
@@ -281,7 +281,7 @@ char	*authz_ldap_get_ms_user_principal_n
 	sec = ap_get_module_config(r->per_dir_config, &authz_ldap_module);
 
 	/* retrieve the certificate in PEM form				*/
-	xp = ssl_var_lookup(r->pool, r->server, r->connection, r,
+	xp = do_ssl_var_lookup(r->pool, r->server, r->connection, r,
 		"SSL_CLIENT_CERT");
 	if (NULL == xp) { 
 		AUTHZ_DEBUG2("[%d] not certificate found", (int)getpid());