diff --git a/oauth3.core.js b/oauth3.core.js
index b8ff6ee..ac2c825 100644
--- a/oauth3.core.js
+++ b/oauth3.core.js
@@ -215,7 +215,7 @@
   , jwk: {
       get: function (decoded) {
         return OAUTH3.discover(decoded.payload.iss).then(function (directives) {
-          var urlObj = OAUTH3.jwk.url(directives, decoded);
+          var urlObj = OAUTH3.urls.jwk(directives, decoded);
           return OAUTH3.request(urlObj).catch(function (err) {
             return PromiseA.reject({
               message: 'failed to retrieve public key from token issuer'