Wrong/strange hot cue behaviour from second controller

Cue pad behaviour on a second midi controller is wrong.

As my main controller (VCM-100) doesn’t have hot cues, I added a MPD218. There’s this small but annoying problem. Situation as follows:
-deck not playing
-press hot/pad cue, keep pressed (on the MPD, midi controller2)
-press play on the VCM (controller1)
-> instead of the deck switching to play mode so I can release the cue and keep the deck playing, it stops the music!

I reconfigured one of the buttons on the VCM as pad cue1, and then the behaviour is as expected. Seems there’s some issue with controls coming from two different devices.