diff --git a/src/pages/Customer/components/CustomerSummaryTable.vue b/src/pages/Customer/components/CustomerSummaryTable.vue
index f6013dea9..ff1474fb9 100644
--- a/src/pages/Customer/components/CustomerSummaryTable.vue
+++ b/src/pages/Customer/components/CustomerSummaryTable.vue
@@ -101,7 +101,7 @@ const columns = computed(() => [
         align: 'left',
         name: 'itemPackingTypeFk',
         label: t('ticketSale.packaging'),
-        format: (row) => getItemPackagingType(row),
+        format: (row) => getItemPackagingType(row.ticketSales),
     },
     {
         align: 'right',
@@ -151,13 +151,18 @@ const setShippedColor = (date) => {
     if (difference < 0) return 'success';
 };
 
-const getItemPackagingType = (row) => {
-    const packagingType = row?.ticketSales
-        .map((sale) => sale.item?.itemPackingTypeFk || '-')
-        .filter((value) => value !== '-')
-        .join(', ');
+const getItemPackagingType = (ticketSales) => {
+    if (!ticketSales || ticketSales.length === 0) return '-';
 
-    return dashIfEmpty(packagingType);
+    const packagingTypes = ticketSales
+        .map((sale) => sale.item?.itemPackingTypeFk)
+        .filter((type) => type !== undefined && type !== null);
+
+    const uniquePackagingTypes = [...new Set(packagingTypes)];
+
+    return dashIfEmpty(
+        uniquePackagingTypes.length > 0 ? uniquePackagingTypes.join(', ') : '-'
+    );
 };
 </script>