diff --git a/app/Http/Controllers/Auth/LoginController.php b/app/Http/Controllers/Auth/LoginController.php
index 0e9c9dc..a97e63c 100755
--- a/app/Http/Controllers/Auth/LoginController.php
+++ b/app/Http/Controllers/Auth/LoginController.php
@@ -81,14 +81,16 @@ class LoginController extends Controller
 
     public function authenticated(Request $request, User $user)
     {
-        if ($user->originalIP !== $request->ip())
-        {
-            Log::alert('User IP address changed from last login. Updating.', [
-                'prev' => $user->originalIP,
-                'new' => $request->ip()
-            ]);
-            $user->originalIP = $request->ip();
-            $user->save();
+        if (!config('demo.is_enabled')) {
+            if ($user->originalIP !== $request->ip())
+            {
+                Log::alert('User IP address changed from last login. Updating.', [
+                    'prev' => $user->originalIP,
+                    'new' => $request->ip()
+                ]);
+                $user->originalIP = $request->ip();
+                $user->save();
+            }
         }
     }
 }
diff --git a/webpack.mix.js b/webpack.mix.js
index ed04aaf..cdcb6e5 100755
--- a/webpack.mix.js
+++ b/webpack.mix.js
@@ -1,3 +1,5 @@
+let mix = require('laravel-mix');
+
 mix.js(['resources/js/app.js', 'resources/js/application_charts.js', 'resources/js/calendar.js'], 'public/js')
     .sass('resources/sass/app.scss', 'public/css');