diff --git a/src/components/views/rooms/MemberList.js b/src/components/views/rooms/MemberList.js
index 328f9774c7..20f60c80a8 100644
--- a/src/components/views/rooms/MemberList.js
+++ b/src/components/views/rooms/MemberList.js
@@ -425,27 +425,7 @@ module.exports = React.createClass({
 
             // For now, let's just order things by timestamp. It's really annoying
             // that a user disappears from sight just because they temporarily go offline
-    /*
-            var presenceMap = {
-                online: 3,
-                unavailable: 2,
-                offline: 1
-            };
-
-            var presenceOrdA = userA ? presenceMap[userA.presence] : 0;
-            var presenceOrdB = userB ? presenceMap[userB.presence] : 0;
-
-            if (presenceOrdA != presenceOrdB) {
-                return presenceOrdB - presenceOrdA;
-            }
-    */
-
-            var lastActiveTsA = userA && userA.lastActiveTs ? userA.lastActiveTs : 0;
-            var lastActiveTsB = userB && userB.lastActiveTs ? userB.lastActiveTs : 0;
-
-            // console.log("comparing ts: " + lastActiveTsA + " and " + lastActiveTsB);
-
-            return lastActiveTsB - lastActiveTsA;
+            return userB.getLastActiveTs() - userA.getLastActiveTs();
     },
 
     onSearchQueryChanged: function(input) {