diff --git a/scripts/config.pl b/scripts/config.pl
index 1c3422e..0a65ef4 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -59,6 +59,7 @@
 #   MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
 #   MBEDTLS_SSL_TRANSFORM_OPTIMIZE_CIPHERS
 #   MBEDTLS_VALIDATE_SSL_KEYS_INTEGRITY
+#   MBEDTLS_OPTIMIZE_TINYCRYPT_ASM
 #   and any symbol beginning _ALT
 #
 # The baremetal configuration excludes options that require a library or
@@ -144,6 +145,7 @@
 MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
 MBEDTLS_SSL_TRANSFORM_OPTIMIZE_CIPHERS
 MBEDTLS_VALIDATE_SSL_KEYS_INTEGRITY
+MBEDTLS_OPTIMIZE_TINYCRYPT_ASM
 _ALT\s*$
 );