diff --git a/Frontend/assets/scripts/frame.js b/Frontend/assets/scripts/frame.js
index 3e2e867..ebdec23 100644
--- a/Frontend/assets/scripts/frame.js
+++ b/Frontend/assets/scripts/frame.js
@@ -85,10 +85,13 @@ function changeActiveTools(activeCategoryButton) {
  * @returns {void}
  */
 function changeTool(tool) {
-    const url = tools.get(tool);
-    localStorage.setItem("lastPage", tool);
-    document.getElementById("iframe").src = url;
-    document.location.search = tool;
+    console.log("changeTool");
+    if (tools.has(tool)) {
+        const url = tools.get(tool);
+        document.location.search = tool;
+        localStorage.setItem("lastPage", tool);
+        document.getElementById("iframe").src = url;
+    }
 }
 
 /**