diff --git a/scripts/config.pl b/scripts/config.pl
index 77358b3..751ea1d 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -35,6 +35,7 @@
 #   MBEDTLS_SSL_NO_SESSION_CACHE
 #   MBEDTLS_SSL_NO_SESSION_RESUMPTION
 #   MBEDTLS_RSA_NO_CRT
+#   MBEDTLS_USE_TINYCRYPT
 #   MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
 #   MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
 #       - this could be enabled if the respective tests were adapted
@@ -102,6 +103,7 @@
 MBEDTLS_SSL_PROTO_NO_TLS
 MBEDTLS_SSL_NO_SESSION_CACHE
 MBEDTLS_SSL_NO_SESSION_RESUMPTION
+MBEDTLS_USE_TINYCRYPT
 MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
 MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
 MBEDTLS_X509_REMOVE_INFO