src/pages/Item/ItemFixedPrice.vue

@@ -318,16 +318,14 @@ const addRow = () => {
         const daysInWeek = 7;
         const nextWeek = new Date(today.getTime() + daysInWeek * millisecsInDay);
 
-        fixedPricesOriginalData.value.push({
+        const newPrice = {
             started: today,
             ended: nextWeek,
             hasMinPrice: 0,
-        });
-        fixedPrices.value.push({
-            started: today,
-            ended: nextWeek,
-            hasMinPrice: 0,
-        });
+        };
+
+        fixedPricesOriginalData.value.push({ ...newPrice });
+        fixedPrices.value.push({ ...newPrice });
         return;
     }