--- a/wolfssl/openssl/ssl.h
+++ b/wolfssl/openssl/ssl.h
@@ -397,6 +397,7 @@ typedef WOLFSSL_X509_STORE_CTX X509_STOR
 /* yassl had set the default to be 500 */
 #define SSL_get_default_timeout(ctx) 500
 
+#define SSL_set_tlsext_host_name(x, y) wolfSSL_UseSNI(x, WOLFSSL_SNI_HOST_NAME, y, strlen(y))
 
 #ifdef __cplusplus
     } /* extern "C" */