diff --git a/library/ssl_tls12_client.c b/library/ssl_tls12_client.c
index 691fa62..775ab9b 100644
--- a/library/ssl_tls12_client.c
+++ b/library/ssl_tls12_client.c
@@ -1764,9 +1764,11 @@
         return MBEDTLS_ERR_SSL_DECODE_ERROR;
     }
 
+#if !defined(PSA_WANT_ALG_FFDH)
     if (ecpoint_len > sizeof(handshake->ecdh_psa_peerkey)) {
         return MBEDTLS_ERR_SSL_HANDSHAKE_FAILURE;
     }
+#endif
 
     memcpy(handshake->ecdh_psa_peerkey, *p, ecpoint_len);
     handshake->ecdh_psa_peerkey_len = ecpoint_len;