diff --git a/src/utils/createMatrixClient.js b/src/utils/createMatrixClient.js
index 77b8cdb120..b83e254fad 100644
--- a/src/utils/createMatrixClient.js
+++ b/src/utils/createMatrixClient.js
@@ -39,7 +39,9 @@ try {
  * @returns {MatrixClient} the newly-created MatrixClient
  */
 export default function createMatrixClient(opts) {
-    const storeOpts = {};
+    const storeOpts = {
+        useAuthorizationHeader: true,
+    };
 
     if (localStorage) {
         storeOpts.sessionStore = new Matrix.WebStorageSessionStore(localStorage);