diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 893bb94..183e003 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -7300,7 +7300,7 @@
         alg = mbedtls_psa_translate_md( ciphersuite_info->mac );
         if( alg == 0 )
         {
-                ret = psa_ssl_status_to_mbedtls( PSA_ERROR_NOT_SUPPORTED );
+                ret = MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
                 MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_md_type_to_psa", ret );
                 goto end;
         }