diff --git a/scripts/config.pl b/scripts/config.pl
index 86af553..ed9aa02 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -31,6 +31,7 @@
 #   MBEDTLS_REMOVE_ARC4_CIPHERSUITES
 #   MBEDTLS_REMOVE_3DES_CIPHERSUITES
 #   MBEDTLS_SSL_HW_RECORD_ACCEL
+#   MBEDTLS_SSL_PROTO_NO_DTLS
 #   MBEDTLS_RSA_NO_CRT
 #   MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
 #   MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
@@ -92,6 +93,7 @@
 MBEDTLS_REMOVE_ARC4_CIPHERSUITES
 MBEDTLS_REMOVE_3DES_CIPHERSUITES
 MBEDTLS_SSL_HW_RECORD_ACCEL
+MBEDTLS_SSL_PROTO_NO_TLS
 MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
 MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
 MBEDTLS_ZLIB_SUPPORT