diff --git a/lib/models/event.js b/lib/models/event.js
index e9feb6445..bddd015f3 100644
--- a/lib/models/event.js
+++ b/lib/models/event.js
@@ -146,7 +146,7 @@ module.exports.MatrixEvent.prototype = {
         return this.event.state_key !== undefined;
     },
 
-    getPushActions(client) {
+    getPushActions: function(client) {
         if (this.pushActions === undefined) {
             var pushProcessor = new PushProcessor(client);
             this.pushActions = pushProcessor.actionsForEvent(this.event);