Alert preferences not reflecting what's in database

[Onimua]

I set up alerts for my add-on, and when you check/uncheck items it behaves correctly (not receiving alerts when unchecked for selected items). When I go back to the page later, I noticed the items I selected not to receive alerts from are checked, even though the database says otherwise (and I still don't get alerts).

It doesn't happen with the other options, just my own. Am I missing something?

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And this is from my alert preference template:​

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<h3 class="textHeading">{xen:phrase lnblog_blogs}</h3>
<dl class="ctrlUnit">
    <dt>{xen:phrase receive_alert_when_someone}...</dt>
    <dd>
        <ul>
            <li><input type="hidden" name="alertSet[blog_entry_comment_insert]" value="1" />
                <label><input type="checkbox" value="1" name="alert[blog_entry_comment_insert]" {xen:checked "!{$alertOptOuts.blog_entry_comment_insert}"} /> {xen:phrase lnblog_comments_on_your_blog_entry}</label>
                <p class="hint">{xen:phrase lnblog_someone_posts_a_comment_on_one_of_your_entries}</p>
            </li>

            <li><input type="hidden" name="alertSet[blog_entry_like]" value="1" />
                <label><input type="checkbox" value="1" name="alert[blog_entry_like]" {xen:checked "!{$alertOptOuts.blog_entry_like}"} /> {xen:phrase lnblog_likes_your_entry}</label>
                <p class="hint">{xen:phrase lnblog_someone_likes_your_blog_entry}</p>
            </li>
        </ul>
    </dd>
</dl>