diff --git a/lib/models/event.js b/lib/models/event.js
index 7a46adaa0..5ad312aa2 100644
--- a/lib/models/event.js
+++ b/lib/models/event.js
@@ -148,10 +148,10 @@ module.exports.MatrixEvent.prototype = {
     },
 
     getPushActions: function(client) {
-        if (this.pushActions === undefined) {
+        if (this._pushActions === undefined) {
             var pushProcessor = new PushProcessor(client);
-            this.pushActions = pushProcessor.actionsForEvent(this.event);
+            this._pushActions = pushProcessor.actionsForEvent(this.event);
         }
-        return this.pushActions;
+        return this._pushActions;
     }
 };