diff --git a/lib/www/server/lib/db/gis/project/raw.js b/lib/www/server/lib/db/gis/project/raw.js
index 4520ad7..b05b62e 100644
--- a/lib/www/server/lib/db/gis/project/raw.js
+++ b/lib/www/server/lib/db/gis/project/raw.js
@@ -73,7 +73,7 @@ async function points (projectId, options = {}) {
 		return res.rows.map(r => [
 			JSON.parse(r.geojson),
 			JSON.parse(r.delta)
-		]).flat();
+		]).flat().filter(i => i != null);
 	} else {
 		throw {status: 404};
 	}