--- a/cyassl/openssl/ssl.h
+++ b/cyassl/openssl/ssl.h
@@ -372,6 +373,7 @@
 #define SSL_CTX_get_ex_new_index CyaSSL_CTX_get_ex_new_index
 
 
+#define SSL_set_tlsext_host_name(x, y) CyaSSL_UseSNI(x, CYASSL_SNI_HOST_NAME, y, strlen(y))
 
 #ifdef __cplusplus
     } /* extern "C" */
