diff --git a/.wolfssl_known_macro_extras b/.wolfssl_known_macro_extras
index 5f3ba17498..28b05885c1 100644
--- a/.wolfssl_known_macro_extras
+++ b/.wolfssl_known_macro_extras
@@ -623,6 +623,7 @@ USS_API
 WC_AESXTS_STREAM_NO_REQUEST_ACCOUNTING
 WC_AES_BS_WORD_SIZE
 WC_AES_GCM_DEC_AUTH_EARLY
+WC_ALLOW_ECC_ZERO_HASH
 WC_ASN_HASH_SHA256
 WC_ASN_RUNTIME_DATE_CHECK_CONTROL
 WC_ASYNC_ENABLE_ECC_KEYGEN