diff --git a/jdk/src/share/classes/sun/security/provider/certpath/OCSPResponse.java b/jdk/src/share/classes/sun/security/provider/certpath/OCSPResponse.java
index 2cd437dc263..1d84a4c1449 100644
--- a/jdk/src/share/classes/sun/security/provider/certpath/OCSPResponse.java
+++ b/jdk/src/share/classes/sun/security/provider/certpath/OCSPResponse.java
@@ -552,7 +552,7 @@ public final class OCSPResponse {
 
         try {
             Signature respSignature = Signature.getInstance(sigAlgId.getName());
-            respSignature.initVerify(cert);
+            respSignature.initVerify(cert.getPublicKey());
             respSignature.update(tbsResponseData);
 
             if (respSignature.verify(signature)) {