diff --git a/include/libssh/pki.h b/include/libssh/pki.h
index 6357b0b6055a7ca9407e538eb80c14e84ea5fd0f..44f44bb71107923822403e464eb1cfc98f980fbb 100644
--- a/include/libssh/pki.h
+++ b/include/libssh/pki.h
@@ -129,6 +129,8 @@ enum ssh_digest_e ssh_key_hash_from_name(const char *name);
 #define is_cert_type(kt)\
       ((kt) == SSH_KEYTYPE_DSS_CERT01 ||\
        (kt) == SSH_KEYTYPE_RSA_CERT01 ||\
+       (kt) == SSH_KEYTYPE_SK_ECDSA_CERT01 ||\
+       (kt) == SSH_KEYTYPE_SK_ED25519_CERT01 ||\
       ((kt) >= SSH_KEYTYPE_ECDSA_P256_CERT01 &&\
        (kt) <= SSH_KEYTYPE_ED25519_CERT01))