diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 8697c53..17c1bae 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -2173,6 +2173,17 @@
                 break;
 #endif /* MBEDTLS_SSL_EARLY_DATA */
 
+#if defined(MBEDTLS_SSL_RECORD_SIZE_LIMIT)
+            case MBEDTLS_TLS_EXT_RECORD_SIZE_LIMIT:
+                MBEDTLS_SSL_DEBUG_MSG(3, ("found record_size_limit extension"));
+
+                ret = mbedtls_ssl_tls13_parse_record_size_limit_ext(ssl, p, p + extension_data_len);
+
+                return ret;
+
+                break;
+#endif /* MBEDTLS_SSL_RECORD_SIZE_LIMIT */
+
             default:
                 MBEDTLS_SSL_PRINT_EXT(
                     3, MBEDTLS_SSL_HS_ENCRYPTED_EXTENSIONS,