diff --git a/src/components/structures/RoomView.js b/src/components/structures/RoomView.js
index 7b7a7bb813..04ec27d751 100644
--- a/src/components/structures/RoomView.js
+++ b/src/components/structures/RoomView.js
@@ -701,7 +701,6 @@ module.exports = React.createClass({
         }
 
         this._updateRoomMembers();
-        this._checkIfAlone(this.state.room);
     },
 
     onRoomMemberMembership: function(ev, member, oldMembership) {
@@ -717,6 +716,7 @@ module.exports = React.createClass({
         // refresh the conf call notification state
         this._updateConfCallNotification();
         this._updateDMState();
+        this._checkIfAlone(this.state.room);
     }, 500),
 
     _checkIfAlone: function(room) {
@@ -729,8 +729,8 @@ module.exports = React.createClass({
             return;
         }
 
-        const joinedMembers = room.currentState.getMembers().filter((m) => m.membership === "join" || m.membership === "invite");
-        this.setState({isAlone: joinedMembers.length === 1});
+        const joinedOrInvitedMemberCount = room.getJoinedMemberCount() + room.getInvitedMemberCount();
+        this.setState({isAlone: joinedOrInvitedMemberCount === 1});
     },
 
     _updateConfCallNotification: function() {