diff --git a/cipher/sha512.c b/cipher/sha512.c
--- a/cipher/sha512.c
+++ b/cipher/sha512.c
@@ -943,6 +943,9 @@
     /* PKCS#1 sha384WithRSAEncryption */
     { "1.2.840.113549.1.1.12" },
 
+    /* SHA384WithECDSA */
+    { "1.2.840.10045.4.3.3" },
+
     { NULL },
   };