[TYPO3-mvc] use repository in other repository

[Pieter Geurts - Aleto Internet]

  Hello,
How can I use the repository of a object inside the repository of 
another repository. When I use the code below in a contructor, I get the 
following erro: Fatal error: Maximum function nesting level of '100' 
reached, aborting! in 
C:\xampp\xampp\htdocs\typo3\t3lib\class.t3lib_div.php on line /5238/

$this->bannerRepository = 
t3lib_div::makeInstance('Tx_BannerPlanning_Domain_Repository_BannerRepository');

Anyone a clue?