diff --git a/javascript/sidebar&boxes.js b/javascript/sidebar&boxes.js
index f68e70f34b9ac1c30efb1ed983ddf9fb64e2d8e2..0f166ef6ee2d5bd6d0317ef96bbe12aec60e5c0e 100644
--- a/javascript/sidebar&boxes.js
+++ b/javascript/sidebar&boxes.js
@@ -61,8 +61,8 @@ function closeBox(id) { // Lukker aktuell boks og justerer siden motsatt av hva
 
 function isPolygon(layer) {
     var objects = layer["features"];
-    for (var i = 0; i < objects.lenght(); i++) {
-        if (objects[i]["geometry"]["type"] == "Polygon") {
+    for (object in objects) {
+        if (object["geometry"]["type"] == "Polygon") {
             return true;
         }
     }