Last updated:
May 19, 2026
Why is my Category Filter not Working?
If your category filter stops working or shows no results, open Dynamic Map App to diagnose the issue. There are two common causes, and each has a straightforward fix.
Option 1: Filter is Out of Sync
If you've added, renamed, or removed option field values after creating the filter, the filter chips can become out of sync with your CMS data. Dynamic Map App flags these with an Unsynced badge.

To fix it:
- Click Edit on the out-of-sync filter and add the missing filter chips.
- Click Insert Code in Dynamic Map App to ensure the code snippet in your Webflow project is up to date.
See Map Category Filter for the full resyncing walkthrough.
Option 2: Empty Option Fields
If any CMS item has an empty option field value, the entire category filter stops working — not just that one item. Every item must have a value assigned.

The fix: create a placeholder option called "empty", assign it to every item without a real category value, and hide that chip from the map UI so visitors never see it.

💡 Pro Tip: Use Webflow's CSV import to batch-assign the "empty" value across many items at once — far faster than editing each item individually.