diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index af51616126..0c95a60ac7 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -4981,29 +4981,26 @@ static const int ssl_preset_suiteb_ciphersuites[] = {
  */
 static uint16_t ssl_preset_default_sig_algs[] = {
 
-#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) &&  \
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDSA_CERT_REQ_ANY_ALLOWED_ENABLED) && \
     defined(MBEDTLS_MD_CAN_SHA256) && \
     defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
     MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256,
-#endif /* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED &&
-          MBEDTLS_MD_CAN_SHA256 &&
-          MBEDTLS_ECP_DP_SECP256R1_ENABLED */
+    // == MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG(MBEDTLS_SSL_SIG_ECDSA, MBEDTLS_SSL_HASH_SHA256)
+#endif
 
-#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) && \
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDSA_CERT_REQ_ANY_ALLOWED_ENABLED) && \
     defined(MBEDTLS_MD_CAN_SHA384) && \
     defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
     MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384,
-#endif /* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED &&
-          MBEDTLS_MD_CAN_SHA384&&
-          MBEDTLS_ECP_DP_SECP384R1_ENABLED */
+    // == MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG(MBEDTLS_SSL_SIG_ECDSA, MBEDTLS_SSL_HASH_SHA384)
+#endif
 
-#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) && \
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDSA_CERT_REQ_ANY_ALLOWED_ENABLED) && \
     defined(MBEDTLS_MD_CAN_SHA512) && \
     defined(MBEDTLS_ECP_DP_SECP521R1_ENABLED)
     MBEDTLS_TLS1_3_SIG_ECDSA_SECP521R1_SHA512,
-#endif /* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED &&
-          MBEDTLS_MD_CAN_SHA384&&
-          MBEDTLS_ECP_DP_SECP521R1_ENABLED */
+    // == MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG(MBEDTLS_SSL_SIG_ECDSA, MBEDTLS_SSL_HASH_SHA512)
+#endif
 
 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) && \
     defined(MBEDTLS_MD_CAN_SHA512)
@@ -5080,21 +5077,19 @@ static uint16_t ssl_tls12_preset_default_sig_algs[] = {
 /* NOTICE: see above */
 static uint16_t ssl_preset_suiteb_sig_algs[] = {
 
-#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) && \
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDSA_CERT_REQ_ANY_ALLOWED_ENABLED) && \
     defined(MBEDTLS_MD_CAN_SHA256) && \
     defined(MBEDTLS_ECP_DP_SECP256R1_ENABLED)
     MBEDTLS_TLS1_3_SIG_ECDSA_SECP256R1_SHA256,
-#endif /* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED &&
-          MBEDTLS_MD_CAN_SHA256 &&
-          MBEDTLS_ECP_DP_SECP256R1_ENABLED */
+    // == MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG(MBEDTLS_SSL_SIG_ECDSA, MBEDTLS_SSL_HASH_SHA256)
+#endif
 
-#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) && \
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDSA_CERT_REQ_ANY_ALLOWED_ENABLED) && \
     defined(MBEDTLS_MD_CAN_SHA384) && \
     defined(MBEDTLS_ECP_DP_SECP384R1_ENABLED)
     MBEDTLS_TLS1_3_SIG_ECDSA_SECP384R1_SHA384,
-#endif /* MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED &&
-          MBEDTLS_MD_CAN_SHA384 &&
-          MBEDTLS_ECP_DP_SECP384R1_ENABLED */
+    // == MBEDTLS_SSL_TLS12_SIG_AND_HASH_ALG(MBEDTLS_SSL_SIG_ECDSA, MBEDTLS_SSL_HASH_SHA384)
+#endif
 
 #if defined(MBEDTLS_X509_RSASSA_PSS_SUPPORT) && \
     defined(MBEDTLS_MD_CAN_SHA256)