diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 5fe9849..b7ad7e9 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -843,6 +843,11 @@
 #error "MBEDTLS_SSL_TICKET_C defined, but not all prerequisites"
 #endif
 
+#if defined(MBEDTLS_SSL_TICKET_NONCE_LENGTH) && \
+    MBEDTLS_SSL_TICKET_NONCE_LENGTH >= 256
+#error "MBEDTLS_SSL_TICKET_NONCE_LENGTH must be less than 256"
+#endif
+
 #if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && \
         !defined(MBEDTLS_X509_CRT_PARSE_C)
 #error "MBEDTLS_SSL_SERVER_NAME_INDICATION defined, but not all prerequisites"
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index ed673e7..6d50c8d 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -1546,7 +1546,7 @@
  *
  * Size in bytes of a ticket nonce. This is not used in TLS 1.2.
  *
- * This must be smaller or equal to 255.
+ * This must be less than 256.
  */
 #define MBEDTLS_SSL_TICKET_NONCE_LENGTH 32
 
diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index 9703fcb..ca727f9 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -1185,7 +1185,7 @@
 #endif /* MBEDTLS_SHA256_C  */
 
 #if defined(MBEDTLS_HAVE_TIME) && defined(MBEDTLS_SSL_CLI_C)
-    time_t MBEDTLS_PRIVATE(ticket_received);                /*!< time ticket was received */
+    mbedtls_time_t MBEDTLS_PRIVATE(ticket_received);        /*!< time ticket was received */
 #endif /* MBEDTLS_HAVE_TIME && MBEDTLS_SSL_CLI_C */
 
 #endif /*  MBEDTLS_SSL_PROTO_TLS1_3 && MBEDTLS_SSL_SESSION_TICKETS */