Seems that it was due to the tyres in Barum. Dmack has made good gravel tyre but it takes time to improve on tarmac. I was just comparing Fuchs (He was driving with DMack, if I am not mistaken) times on tarmac in Spain and he was mostly 2.2-2.5 sec per one km slower than leader. On gravel, and mixed stages he was just over 0.5 sec slower than class winner. So, there is a big difference.