diff --git a/src/java.base/share/classes/sun/security/util/SignatureUtil.java b/src/java.base/share/classes/sun/security/util/SignatureUtil.java
index c1ffd248f2a..05cad48c042 100644
--- a/src/java.base/share/classes/sun/security/util/SignatureUtil.java
+++ b/src/java.base/share/classes/sun/security/util/SignatureUtil.java
@@ -198,7 +198,7 @@ public class SignatureUtil {
         static {
             try {
                 sha512 = new AlgorithmId(ObjectIdentifier.of(KnownOIDs.SHA_512));
-                shake256 = new AlgorithmId(ObjectIdentifier.of(KnownOIDs.SHAKE256));
+                shake256 = new AlgorithmId(ObjectIdentifier.of(KnownOIDs.SHAKE256_512));
                 shake256$512 = new AlgorithmId(
                         ObjectIdentifier.of(KnownOIDs.SHAKE256_LEN),
                         new DerValue((byte) 2, new byte[]{2, 0})); // int 512