diff --git a/oauth3.core.js b/oauth3.core.js
index 9b327e8..3cb6a7b 100644
--- a/oauth3.core.js
+++ b/oauth3.core.js
@@ -1121,8 +1121,11 @@
           return session;
         });
       }
-    , session: function () {
-        return JSON.parse(JSON.stringify(OAUTH3.hooks.session._getCached(this._providerUri) || null));
+    , session: function (session, id) {
+        if (!session) {
+          return JSON.parse(JSON.stringify(OAUTH3.hooks.session._getCached(this._providerUri) || null));
+        }
+        return OAUTH3.hooks.session.set(this._providerUri, session, id);
       }
     , request: function (preq, opts) {
         opts = opts || {};