diff --git a/lib/web/auth/saml/index.js b/lib/web/auth/saml/index.js
index deb040072..8362694c1 100644
--- a/lib/web/auth/saml/index.js
+++ b/lib/web/auth/saml/index.js
@@ -16,7 +16,7 @@ passport.use(new SamlStrategy({
   callbackUrl: config.serverURL + '/auth/saml/callback',
   entryPoint: config.saml.idpSsoUrl,
   issuer: config.saml.issuer || config.serverURL,
-  privateCert: config.saml.clientCert === undefined
+  privateKey: config.saml.clientCert === undefined
     ? undefined
     : (function () {
         try {