diff --git a/app/Http/Controllers/CategoryController.php b/app/Http/Controllers/CategoryController.php
index 1aad92e..6c3551f 100644
--- a/app/Http/Controllers/CategoryController.php
+++ b/app/Http/Controllers/CategoryController.php
@@ -51,7 +51,7 @@ class CategoryController extends Controller
             'default_budget' => $request->amount
         ]);
 
-        $budget = $category->budgets()->whereDate('end_date', null);
+        $budget = $category->budgets()->where('end_date', null);
         $budget->update(['budget' => $request->amount]);
 
         return redirect()->route('categories');
diff --git a/database/database.sqlite b/database/database.sqlite
index 81adbfe..3f5bbc2 100644
Binary files a/database/database.sqlite and b/database/database.sqlite differ