diff --git a/lib/client.js b/lib/client.js
index c248183ef..d347af186 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -1742,7 +1742,7 @@ MatrixClient.prototype.loginWithSAML2 = function(relayState, callback) {
  * @return {module:http-api.MatrixError} Rejects: with an error response.
  */
 MatrixClient.prototype.getCasServer = function(callback) {
-    return this._http.authedRequest(
+    return this._http.request(
         callback, "GET", "/login/cas", undefined, undefined
     );
 };