diff --git a/lib/prerender.js b/lib/prerender.js
index <HASH>..<HASH> 100644
--- a/lib/prerender.js
+++ b/lib/prerender.js
@@ -357,6 +357,7 @@ prerender.checkIfJavascriptTimedOut = function(req, res) {
         req.prerender.interval = null;
 
         this.onPageEvaluate(req, res);
+        this.killPhantomJSProcess();
     } else if (timeout) {
         res.send(503);
         try {
trying to figure out what is causing a crash