I have a problem with FreqScope in SuperCollider. The signal frequency does not correspond to the frequency axis. If I start a Sinus-Ugen with
{SinOsc.ar (1000)}.play;
I get the following picture
I use SuperCollider 3.11.2 on a Debian Linux 11.5 BullsEye OS. Any idea, why this happens and perhaps how to solve this?