diff --git a/lib/tls/openssl/openssl-client.c b/lib/tls/openssl/openssl-client.c
index aa1c5df16..d8c56c518 100644
--- a/lib/tls/openssl/openssl-client.c
+++ b/lib/tls/openssl/openssl-client.c
@@ -343,9 +343,9 @@ lws_ssl_client_bio_create(struct lws *wsi)
 		      strlen(hostname));
 #endif
 #else
-#ifdef WOLFSSL_SNI_HOST_NAME
+#if defined(WOLFSSL_SNI_HOST_NAME) || defined(HAVE_SNI)
 	wolfSSL_UseSNI(wsi->tls.ssl, WOLFSSL_SNI_HOST_NAME, hostname,
-		       strlen(hostname));
+		       (unsigned short)strlen(hostname));
 #endif
 #endif
 #else