Deauth successfull but no handshake recorded

Hy,

I am using Aircrack-ng 1.2 beta2 on a kali-system. To my router is a android and a macbook connected. The injection-test is successful:

root@kali:~# aireplay-ng -9 mon0
23:46:43  Trying broadcast probe requests...
23:46:43  Injection ...