diff --git a/web/admin.js b/web/admin.js
index 984eaa3..db80746 100644
--- a/web/admin.js
+++ b/web/admin.js
@@ -827,6 +827,8 @@ function set_wrapperr_settings() {
 
 function set_wrapperr_settings_call() {
 
+    var wrapperr_root_original = wrapperr_root;
+
     document.getElementById("set_wrapperr_settings_form_button").disabled = true;
     document.getElementById("set_wrapperr_settings_form_button").style.opacity = '0.5';
 
@@ -843,6 +845,25 @@ function set_wrapperr_settings_call() {
     clear_cache = document.getElementById('clear_cache').checked;
     winter_theme = document.getElementById('winter_theme').checked;
 
+    if(wrapperr_root_original !== wrapperr_root) {
+        if(!confirm("You have changed the Wrapperr root/base URL. Wrapperr will attempt to restart and the interface to access this webpage will change. If you are using an URL base you must use a trailing '/' at the end of your new URL.")){
+            return;
+        }
+    }
+
+    if(wrapperr_root !== "") {
+        var wrapperr_root_last_char = wrapperr_root.charAt(wrapperr_root.length-1);
+        var wrapperr_root_first_char = wrapperr_root.charAt(0);
+
+        if(wrapperr_root_last_char == "/" || wrapperr_root_first_char == "/") {
+            document.getElementById("set_wrapperr_settings_form_button").disabled = false;
+            document.getElementById("set_wrapperr_settings_form_button").style.opacity = '1';
+            alert("No trailing or initial '/' needed for URL base.");
+            document.getElementById('wrapperr_root').focus();
+            return;
+        }
+    }
+
     if(timezone === '') {
         document.getElementById("set_wrapperr_settings_form_button").disabled = false;
         document.getElementById("set_wrapperr_settings_form_button").style.opacity = '1';
diff --git a/web/index.js b/web/index.js
index 74189c3..6d1f7b5 100644
--- a/web/index.js
+++ b/web/index.js
@@ -372,7 +372,17 @@ function get_wrapper_version() {
         }
     };
     xhttp.withCredentials = true;
-    xhttp.open("post", window.location + "api/get/wrapperr-version");
+
+    var url_current = window.location.toString();
+    var last_char = url_current.charAt(window.location.length-1);
+    if(last_char == "/") {
+        var init_url = window.location
+    } else {
+        var init_url = window.location + "/"
+    }
+
+    xhttp.open("post", init_url + "api/get/wrapperr-version");
+
     xhttp.setRequestHeader("Content-Type", "application/json;charset=UTF-8");
     xhttp.send();
     return;