diff --git a/backend/product/views.py b/backend/product/views.py
index b49da78..68e06e8 100644
--- a/backend/product/views.py
+++ b/backend/product/views.py
@@ -101,7 +101,7 @@ class AllProductsView(APIView):
                 name="sort",
                 description=(
                     "Sort results by one of the following fields:\n"
-                    "`name`, `-name`, `price`, `-price`, `discount`, `-discount`, `created_at`, `-created_at`."
+                    "`name`, `-name`, `price`, `-price`, `created_at`, `-created_at`."
                     "\nPrefix with `-` for descending order."
                 ),
                 required=False,
@@ -158,12 +158,12 @@ class AllProductsView(APIView):
             # Filter by stock status if `in_stock` is specified
             in_stock = request.query_params.get('in_stock', "false") == 'true'
             if in_stock:
-                products = products.filter(in_stock__gt=0)
+                products = products.filter(variants__in_stock__gt=0)
 
             # Filter by discount if `has_discount` is specified
             has_discount = request.query_params.get('has_discount', "false") == 'true'
             if has_discount:
-                products = products.filter(discount__gt=0)
+                products = products.filter(variants__discount__gt=0)
 
             # Search filter
             search_query = request.query_params.get('search', None)
@@ -175,13 +175,13 @@ class AllProductsView(APIView):
             price_lte = request.query_params.get('price_lte', None)
   
             if price_gte:
-                products = products.filter(price__gte=price_gte)
+                products = products.filter(variants__min_price__gte=price_gte)
             if price_lte:
-                products = products.filter(price__lte=price_lte)
+                products = products.filter(variants__min_price__lte=price_lte)
 
             # Sorting
             sort_by = request.query_params.get('sort', None)
-            if sort_by in ['name', '-name', 'price', '-price', 'discount', '-discount', 'created_at', '-created_at']:
+            if sort_by in ['name', '-name', 'price', '-price', 'created_at', '-created_at']:
                 products = products.order_by(sort_by)
             else:
                 products = products.order_by('name')