diff --git a/configs/baremetal.h b/configs/baremetal.h
index 8bed9a8..4a17de0 100644
--- a/configs/baremetal.h
+++ b/configs/baremetal.h
@@ -52,6 +52,8 @@
 #define MBEDTLS_SSL_CONF_SINGLE_SIG_HASH_MD_ID MBEDTLS_MD_SHA256
 #define MBEDTLS_SSL_CONF_SINGLE_SIG_HASH_TLS_ID MBEDTLS_SSL_HASH_SHA256
 
+#define MBEDTLS_MD_SINGLE_HASH MBEDTLS_MD_INFO_SHA256
+
 /* Key exchanges */
 #define MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
 #define MBEDTLS_SSL_CIPHERSUITES MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8