diff --git a/app/Http/Middleware/HandleInertiaRequests.php b/app/Http/Middleware/HandleInertiaRequests.php
index dc85a9af..62b69f31 100644
--- a/app/Http/Middleware/HandleInertiaRequests.php
+++ b/app/Http/Middleware/HandleInertiaRequests.php
@@ -50,7 +50,7 @@ public function share(Request $request): array
                 ...(new Ziggy)->toArray(),
                 'location' => $request->url(),
             ],
-            'sidebarOpen' => ! $request->hasCookie('sidebar:state') || $request->cookie('sidebar:state') === 'true',
+            'sidebarOpen' => ! $request->hasCookie('sidebar_state') || $request->cookie('sidebar_state') === 'true',
         ];
     }
 }
diff --git a/bootstrap/app.php b/bootstrap/app.php
index 71071c03..134581ab 100644
--- a/bootstrap/app.php
+++ b/bootstrap/app.php
@@ -14,7 +14,7 @@
         health: '/up',
     )
     ->withMiddleware(function (Middleware $middleware) {
-        $middleware->encryptCookies(except: ['appearance', 'sidebar:state']);
+        $middleware->encryptCookies(except: ['appearance', 'sidebar_state']);
 
         $middleware->web(append: [
             HandleAppearance::class,