doveadm import uninterruptable?

I'm using

% doveadm import -u restore@backup.invalid mdbox:/home/archive/mdbox "" mailbox INBOX header From $PATTERN

sometimes, I mistype the pattern and immediately try to stop the doveadm command with CTRL-C - and this never succeeds.

Is it inentional that I cannot interrupt the "doveadm import" command?

Using 2.3.13 here.

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