diff --git a/src/components/structures/InteractiveAuth.js b/src/components/structures/InteractiveAuth.js
index 6fedfbcfd9..e1722c9745 100644
--- a/src/components/structures/InteractiveAuth.js
+++ b/src/components/structures/InteractiveAuth.js
@@ -92,7 +92,7 @@ export default React.createClass({
         this._unmounted = false;
         this._authLogic = new InteractiveAuth({
             authData: this.props.authData,
-            doRequest: this.props.makeRequest,
+            doRequest: this._requestCallback,
             setBusy: this._setBusy,
             inputs: this.props.inputs,
             stateUpdated: this._authStateUpdated,
@@ -168,6 +168,13 @@ export default React.createClass({
         });
     },
 
+    _requestCallback: function(auth) {
+        // This wrapper just exists because the js-sdk passes a second
+        // 'busy' param for backwards compat. This throws the tests off
+        // so discard it here.
+        return this.props.makeRequest(auth);
+    },
+
     _setBusy: function(busy) {
         // if we've started doing stuff, reset the error messages
         if (busy) {