diff --git a/core/admin.py b/core/admin.py
index d7ce8e99..5649fe98 100644
--- a/core/admin.py
+++ b/core/admin.py
@@ -164,6 +164,7 @@ class ProductImageInline(TabularInline):  # type: ignore [type-arg]
 class StockInline(TabularInline):  # type: ignore [type-arg]
     model = Stock
     extra = 0
+    form = StockForm
     is_navtab = True
     verbose_name = _("stock")
     verbose_name_plural = _("stocks")