diff --git a/security/manager/locales/en-US/chrome/pipnss/nsserrors.properties b/security/manager/locales/en-US/chrome/pipnss/nsserrors.properties
index 0f6c1e5e72a..20c0c1cb85b 100644
--- a/security/manager/locales/en-US/chrome/pipnss/nsserrors.properties
+++ b/security/manager/locales/en-US/chrome/pipnss/nsserrors.properties
@@ -260,3 +260,5 @@ SEC_ERROR_NO_EVENT=No new slot event is available at this time.
 SEC_ERROR_CRL_ALREADY_EXISTS=CRL already exists.
 SEC_ERROR_NOT_INITIALIZED=NSS is not initialized.
 SEC_ERROR_TOKEN_NOT_LOGGED_IN=The operation failed because the PKCS#11 token is not logged in.
+SEC_ERROR_OCSP_RESPONDER_CERT_INVALID=Configured OCSP responder's certificate is invalid.
+SEC_ERROR_OCSP_BAD_SIGNATURE=OCSP response has an invalid signature.
diff --git a/security/manager/ssl/src/nsNSSErrors.cpp b/security/manager/ssl/src/nsNSSErrors.cpp
index 6c6cde158ae..50d90e2cf07 100644
--- a/security/manager/ssl/src/nsNSSErrors.cpp
+++ b/security/manager/ssl/src/nsNSSErrors.cpp
@@ -310,6 +310,8 @@ nsNSSErrors::getDefaultErrorStringName(PRInt32 err)
     case SEC_ERROR_CRL_ALREADY_EXISTS: id_str = "SEC_ERROR_CRL_ALREADY_EXISTS"; break;
     case SEC_ERROR_NOT_INITIALIZED: id_str = "SEC_ERROR_NOT_INITIALIZED"; break;
     case SEC_ERROR_TOKEN_NOT_LOGGED_IN: id_str = "SEC_ERROR_TOKEN_NOT_LOGGED_IN"; break;
+    case SEC_ERROR_OCSP_RESPONDER_CERT_INVALID: id_str = "SEC_ERROR_OCSP_RESPONDER_CERT_INVALID"; break;
+    case SEC_ERROR_OCSP_BAD_SIGNATURE: id_str = "SEC_ERROR_OCSP_BAD_SIGNATURE"; break;
   }
 
   return id_str;