diff --git a/lib/hx509/cms.c b/lib/hx509/cms.c
index 8d008dcb0..ea84c3a50 100644
--- a/lib/hx509/cms.c
+++ b/lib/hx509/cms.c
@@ -1120,7 +1120,7 @@ hx509_cms_create_signed_1(hx509_context context,
 			
 	ret = _hx509_create_signature(context,
 				      _hx509_cert_private_key(cert),
-				      hx509_signature_rsa_with_sha256(),
+				      _hx509_crypto_default_sig_alg,
 				      &os,
 				      &signer_info->signatureAlgorithm,
 				      &signer_info->signature);