--- a/src/java.base/share/classes/sun/security/ssl/CertificateRequest.java	Wed May 23 09:33:37 2018 -0700
+++ b/src/java.base/share/classes/sun/security/ssl/CertificateRequest.java	Wed May 23 11:55:41 2018 -0700
@@ -673,6 +673,7 @@
                 }
             }
             chc.peerRequestedSignatureSchemes = sss;
+            chc.peerRequestedCertSignSchemes = sss;     // use the same schemes
             chc.handshakeSession.setPeerSupportedSignatureAlgorithms(sss);
 
             X509ExtendedKeyManager km = chc.sslContext.getX509KeyManager();