diff --git a/core/management/commands/fix_prices.py b/core/management/commands/fix_prices.py
index 5d3c1dab..2ecadc6d 100644
--- a/core/management/commands/fix_prices.py
+++ b/core/management/commands/fix_prices.py
@@ -13,7 +13,7 @@ class Command(BaseCommand):
         self.stdout.write(self.style.SUCCESS("Starting fixing stocks' prices..."))
 
         for product in Product.objects.filter(stocks__isnull=False):
-            for stock in product.stocks:
+            for stock in product.stocks.all():
                 try:
                     stock.price = AbstractVendor.round_price_marketologically(stock.price)
                     stock.save()