diff --git a/pk/ecc/ecc_sign_deterministic b/pk/ecc/ecc_sign_deterministic
index e30ece0b..bd9e9821 100755
Binary files a/pk/ecc/ecc_sign_deterministic and b/pk/ecc/ecc_sign_deterministic differ
diff --git a/pk/ecc/ecc_sign_deterministic.c b/pk/ecc/ecc_sign_deterministic.c
index bc6329a9..915b18d0 100644
--- a/pk/ecc/ecc_sign_deterministic.c
+++ b/pk/ecc/ecc_sign_deterministic.c
@@ -43,8 +43,8 @@ gcc -lwolfssl -o ecc_sign ecc_sign.c
 
 /* message = "sample":  */
 static const char kMsg[] = "sample";
-#define DIGEST_SZ WC_SHA256_DIGEST_SIZE
-#define HASH_FUNC crypto_sha256
+#define DIGEST_SZ WC_SHA384_DIGEST_SIZE
+#define HASH_FUNC crypto_sha384
 
 #if 0