diff --git a/lib/mbtiles.js b/lib/mbtiles.js
index 57c8b70..d610ac5 100644
--- a/lib/mbtiles.js
+++ b/lib/mbtiles.js
@@ -632,9 +632,11 @@ MBTiles.prototype.getIndexableDocs = function(pointer, callback) {
             doc._text = text;
             doc._zxy = row.zxy ? tms2zxy(row.zxy) : [];
             doc._center = [doc.lon, doc.lat];
+            if (doc.score) doc._score = parseFloat(doc.score);
             if (doc.bounds) doc._bbox = doc.bounds.split(',').map(function(v) { return parseFloat(v) });
             delete doc.lon;
             delete doc.lat;
+            delete doc.score;
             delete doc.bounds;
             docs.push(doc);
         }