Tvheadend

I normally use cccam on dreambox or acamd.dll on windows to request cw from my own local oscam server and the clients always seem to figure out which tiers are the correct ones and then know to request only those in future... but tvheadend doesn't seem to learn/recognise which are correct ones... every ECM request comes with 4 tier ID's, 3 of which are not valid for my card, one is... Is there any configuration to prevent this?

2015/12/28 10:38:21 010B137B c (ecm) ferni (xxxx@000000/025A/55F7/3C:61C0FA46AA631FCF249FE490E96EEF6F): not found (21 ms)
2015/12/28 10:38:21 010B137B c (ecm) ferni (xxxx@000000/035D/55F7/3C:4F9BB1195F491542388AF05816C7BBF4): not found (20 ms)
2015/12/28 10:38:21 010B137B c (ecm) ferni (xxxx@000000/0000/55F7/52:A82581BD98AC88D28C839FE5E2C5136D): not found (20 ms)
2015/12/28 10:38:21 010B137B c (ecm) ferni (xxxx@000000/023D/55F7/3C:95C5FF4D3145110016598ADE1ABAA7E2): found (170 ms) by local1
2015/12/28 10:38:28 010B137B c (ecm) ferni (xxxx@000000/025A/55F7/3C:702060B23C8BC6A049BD0221FC1D8B36): not found (20 ms)
2015/12/28 10:38:28 010B137B c (ecm) ferni (xxxx@000000/035D/55F7/3C:86CF78C8410505F49437CD6015B1BAEF): not found (20 ms)
2015/12/28 10:38:28 010B137B c (ecm) ferni (xxxx@000000/0000/55F7/52:585FCD2013CC04843A5BDD86FEA4779F): not found (20 ms)
2015/12/28 10:38:28 010B137B c (ecm) ferni (xxxx@000000/023D/55F7/3C:F1B298EB4E68B1E7DBCA324F3AA4B342): found (171 ms) by local1