diff --git a/src/components/views/rooms/MemberList.js b/src/components/views/rooms/MemberList.js
index 52201b31be..0924a5ec38 100644
--- a/src/components/views/rooms/MemberList.js
+++ b/src/components/views/rooms/MemberList.js
@@ -327,7 +327,7 @@ module.exports = React.createClass({
         }
 
         // Third by last active
-        if (this._showPresence && userA.getLastActiveTs() !== userB.getLastActiveTs) {
+        if (this._showPresence && userA.getLastActiveTs() !== userB.getLastActiveTs()) {
             // console.log("Comparing on last active timestamp - returning");
             return userB.getLastActiveTs() - userA.getLastActiveTs();
         }