diff --git a/.gitignore b/.gitignore
index f849f48..7672626 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ vendor/
 docs/
 progetto_QGIS/
 conf.json
+shapefile
diff --git a/js/gis.js b/js/gis.js
index a48838d..c79dd6f 100644
--- a/js/gis.js
+++ b/js/gis.js
@@ -117,7 +117,7 @@ GIS.initMap = async function (mapId, zoomLevel = this.INIT_ZOOM) {
 
     for (let id in MARKER_NAMES.sites) {
         let layer = sitesGroup.customGetLayer(id);
-        const coords = layer.getBounds().getCenter();
+        let coords = layer.getBounds().getCenter();
         const fromStorage = localStorage.getItem(id);
         let data = {};