MySQL error when unsubscribing from watch emails

While assisting on another website, I came across this MySQL error
Code:

XF\Db\Exception: MySQL query error [1366]: Incorrect integer value: '' for column 'email_subscribe' at row 1 src/XF/Db/AbstractStatement.php:230

I believe the offending code is this bit in src/addons/XFRM/EmailStop/ResourceItem.php:41
PHP:

$resourceWatchRepo->setWatchState($resource, $user, 'update', ['email_subscribe' => false]);

Should be ['email_subscribe' => 0] in order to not trigger the error.

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