diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index 8d1b1d8..f9f9b6b 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -728,6 +728,15 @@
 }
 
 /*
+ * StateHanler: MBEDTLS_SSL_SERVER_HELLO
+ */
+static int ssl_tls13_write_server_hello( mbedtls_ssl_context *ssl )
+{
+    ((void) ssl);
+    return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
+}
+
+/*
  * TLS 1.3 State Machine -- server side
  */
 int mbedtls_ssl_tls13_handshake_server_step( mbedtls_ssl_context *ssl )
@@ -758,6 +767,10 @@
 
             break;
 
+        case MBEDTLS_SSL_SERVER_HELLO:
+            ret = ssl_tls13_write_server_hello( ssl );
+            break;
+
         default:
             MBEDTLS_SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) );
             return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );