diff --git a/core/apps/wherehouse/views/inventory.py b/core/apps/wherehouse/views/inventory.py
index 37af8cc..4670e95 100644
--- a/core/apps/wherehouse/views/inventory.py
+++ b/core/apps/wherehouse/views/inventory.py
@@ -23,7 +23,7 @@ class InventoryListApiView(generics.GenericAPIView):
         wherehouse_ids = request.query_params.getlist('wherehouse_id')
         project_folder_ids = request.query_params.getlist('project_folder_id')
         project_ids = request.query_params.getlist('project_ids')
-        product_exists = request.query_params.get('product_exist')
+        product_exists = request.query_params.get('product_exists')
         start_date = request.query_params.get('start_date')
         end_date = request.query_params.get('end_date')
         inventories = self.filter_queryset(self.queryset)