Cronjob url error fix

As you can see in the image below, the cronjobs don't work anymore with the spaces in the url.

![Schermafbeelding 2013-03-27 om 16 19 30](https://f.cloud.github.com/assets/1408800/308857/6bf2286a-96f3-11e2-91cb-03006d3fd3b0.png)