diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 6f9100b..9fcb2b2 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -2137,7 +2137,7 @@
 }
 #endif /* MBEDTLS_KEY_EXCHANGE_WITH_CERT_ENABLED */
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
 /* Corresponding PSA algorithm for MBEDTLS_CIPHER_NULL.
  * Same value is used for PSA_ALG_CATEGORY_CIPHER, hence it is
  * guaranteed to not be a valid PSA algorithm identifier.
@@ -2167,9 +2167,7 @@
                                     psa_algorithm_t *alg,
                                     psa_key_type_t *key_type,
                                     size_t *key_size );
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_SSL_PROTO_TLS1_3)
 /**
  * \brief       Convert given PSA status to mbedtls error code.
  *