diff --git a/lib/hx509/crypto.c b/lib/hx509/crypto.c
index 84645bbbf..77e721064 100644
--- a/lib/hx509/crypto.c
+++ b/lib/hx509/crypto.c
@@ -904,7 +904,7 @@ static const struct signature_alg sha512_alg = {
 
 static const struct signature_alg sha384_alg = {
     "sha-384",
-    ASN1_OID_ID_SHA512,
+    ASN1_OID_ID_SHA384,
     &_hx509_signature_sha384_data,
     NULL,
     NULL,