diff --git a/package.json b/package.json
index 57e868bb..b0706552 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "brawl-chat",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "description": "A javascript matrix client prototype, trying to minize RAM usage by offloading as much as possible to IndexedDB",
   "main": "index.js",
   "directories": {
diff --git a/src/matrix/room/summary.js b/src/matrix/room/summary.js
index c268e7e9..614b494d 100644
--- a/src/matrix/room/summary.js
+++ b/src/matrix/room/summary.js
@@ -26,10 +26,10 @@ export default class RoomSummary {
         if (this._canonicalAlias) {
             return this._canonicalAlias;
         }
-        if (this._aliases) {
+        if (Array.isArray(this._aliases) && this._aliases.length !== 0) {
             return this._aliases[0];
         }
-        if (this._heroes) {
+        if (Array.isArray(this._heroes) && this._heroes.length !== 0) {
             return this._heroes.join(", ");
         }
         return this._roomId;