diff --git a/js/main.js b/js/main.js
index 6b7804f..7d53778 100644
--- a/js/main.js
+++ b/js/main.js
@@ -77,9 +77,8 @@ async function call(url, { method = "GET", body = {}, params = {} }) {
 
     if (method === "GET") {
         const searchParams = new URLSearchParams();
-        for (let key in params) {
-            if (params.hasOwnProperty(key) && typeof params[key] === "object") searchParams.append(key, JSON.stringify(params[key]));
-            else searchParams.append(key, params[key]);
+        for (let [key, value] of Object.entries(params)) {
+            searchParams.append(key, typeof value === "object" ? JSON.stringify(value) : value);
         }
 
         url += "?" + searchParams.toString();