diff --git a/Backend-libXML/requirements.txt b/Backend-libXML/requirements.txt
index 7c41ff0..abb4521 100644
--- a/Backend-libXML/requirements.txt
+++ b/Backend-libXML/requirements.txt
@@ -1,3 +1,3 @@
-lxml
-flask
-flask_cors
\ No newline at end of file
+lxml==4.9.2
+flask==2.3.2
+flask_cors==3.0.10
\ No newline at end of file
diff --git a/Frontend/assets/scripts/frame.js b/Frontend/assets/scripts/frame.js
index 9d2335c..c1c72f7 100644
--- a/Frontend/assets/scripts/frame.js
+++ b/Frontend/assets/scripts/frame.js
@@ -107,7 +107,11 @@ function changeTool(tool) {
  * @returns {void}
  */
 function loadLastPage() {
-    const lastPage = localStorage.getItem("lastPage");
+    var lastPage = localStorage.getItem("lastPage");
+    if (lastPage == null) {
+        lastPage = "xpath";
+    }
+
     switch (lastPage) { // XML category is default.
         case "jsonform":
             changeActiveTools('JSON');