diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 6ba9ad5..82a0d5c 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -2496,7 +2496,8 @@
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_3) && \
     defined(MBEDTLS_SSL_SESSION_TICKETS) && \
-    defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
+    defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
+    defined(MBEDTLS_SSL_TLS_C)
 MBEDTLS_CHECK_RETURN_CRITICAL
 int mbedtls_ssl_session_set_hostname( mbedtls_ssl_session *session,
                                       const char *hostname );