diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index 2666067..386a754 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -1390,6 +1390,8 @@
     /* Dispatch message */
     MBEDTLS_SSL_PROC_CHK(mbedtls_ssl_write_record(ssl, 0));
 
+    ssl->handshake->ccs_count++;
+
 cleanup:
 
     MBEDTLS_SSL_DEBUG_MSG(2, ("<= write change cipher spec"));