diff --git a/piwik-tracker/piwik-tracker.d.ts b/piwik-tracker/piwik-tracker.d.ts
index ddb1ae133..c40a834b0 100644
--- a/piwik-tracker/piwik-tracker.d.ts
+++ b/piwik-tracker/piwik-tracker.d.ts
@@ -83,7 +83,7 @@ declare module "piwik-tracker" {
 		send_image? : number;
 	}
 	
-	class PiwikTracker {
+	class PiwikTracker extends EventEmitter {
 		constructor(siteId : number, trackerUrl : string);
 		track(options : PiwikTrackOptions) : void;
 	}