diff --git a/src/stores/RoomListStore.js b/src/stores/RoomListStore.js
index af6a8cc991..ed0974b0e4 100644
--- a/src/stores/RoomListStore.js
+++ b/src/stores/RoomListStore.js
@@ -277,7 +277,7 @@ class RoomListStore extends Store {
         const roomCache = this._state.roomCache;
         if (!roomCache[roomId]) roomCache[roomId] = {};
 
-        if (value) roomCache[roomId][type] = value;
+        if (typeof value !== "undefined") roomCache[roomId][type] = value;
         else delete roomCache[roomId][type];
 
         this._setState({roomCache});