diff --git a/src/pages/dashboard/Content/PromocodeManagement/usePromocodeGridColDef.tsx b/src/pages/dashboard/Content/PromocodeManagement/usePromocodeGridColDef.tsx
index a897d00..c5daedc 100644
--- a/src/pages/dashboard/Content/PromocodeManagement/usePromocodeGridColDef.tsx
+++ b/src/pages/dashboard/Content/PromocodeManagement/usePromocodeGridColDef.tsx
@@ -25,7 +25,7 @@ export function usePromocodeGridColDef(deletePromocode: (id: string) => void) {
             headerName: "Коэф. скидки",
             width: 120,
             sortable: false,
-            valueGetter: ({ row }) => row.bonus.discount.factor,
+            valueGetter: ({ row }) => Math.round(row.bonus.discount.factor * 1000) / 1000,
         },
         {
             field: "activationCount",