diff --git a/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/SummaryPurchase.vue b/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/SummaryPurchase.vue
index cf187af..14d14f7 100644
--- a/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/SummaryPurchase.vue
+++ b/tienda_ilusion/don_confiao/frontend/don-confiao/src/components/SummaryPurchase.vue
@@ -32,13 +32,13 @@
         <v-list-item>
           <v-list-item-content>
             <v-list-item-title>Total:</v-list-item-title>
-            <v-list-item-subtitle v-if="purchase.set_lines">{{ currencyFormat(calculateTotal(purchase.set_lines)) }}</v-list-item-subtitle>
+            <v-list-item-subtitle v-if="purchase.lines">{{ currencyFormat(calculateTotal(purchase.lines)) }}</v-list-item-subtitle>
           </v-list-item-content>
         </v-list-item>
       </v-list>
       <v-data-table-virtual
         :headers="headers"
-        :items="purchase.set_lines"
+        :items="purchase.lines"
       >
         <template v-slot:item.unit_price="{ item }">
           {{ currencyFormat(item.unit_price) }}
diff --git a/tienda_ilusion/don_confiao/serializers.py b/tienda_ilusion/don_confiao/serializers.py
index 9c1d483..d567275 100644
--- a/tienda_ilusion/don_confiao/serializers.py
+++ b/tienda_ilusion/don_confiao/serializers.py
@@ -88,8 +88,8 @@ class SummarySaleLineSerializer(serializers.ModelSerializer):
 
 class SaleSummarySerializer(serializers.ModelSerializer):
     customer = ListCustomerSerializer()
-    saleline_set = SummarySaleLineSerializer(many=True)
+    lines = SummarySaleLineSerializer(many=True, source='saleline_set')
 
     class Meta:
         model = Sale
-        fields = ['id', 'date', 'customer', 'payment_method', 'saleline_set']
+        fields = ['id', 'date', 'customer', 'payment_method', 'lines']
diff --git a/tienda_ilusion/don_confiao/tests/test_summary_view_purchase.py b/tienda_ilusion/don_confiao/tests/test_summary_view_purchase.py
index a68a438..8def1b4 100644
--- a/tienda_ilusion/don_confiao/tests/test_summary_view_purchase.py
+++ b/tienda_ilusion/don_confiao/tests/test_summary_view_purchase.py
@@ -41,11 +41,13 @@ class TestSummaryViewPurchase(TestCase):
     def test_json_summary(self):
         url = f"/don_confiao/resumen_compra_json/{self.purchase.id}"
         response = self.client.get(url)
+        content = response.content.decode('utf-8')
         self.assertEqual(response.status_code, 200)
-        self.assertIn('Alejo Mono', response.content.decode('utf-8'))
-        self.assertIn('cafe', response.content.decode('utf-8'))
-        self.assertIn('72500', response.content.decode('utf-8'))
-        self.assertIn('quantity', response.content.decode('utf-8'))
-        self.assertIn('11', response.content.decode('utf-8'))
-        self.assertIn('date', response.content.decode('utf-8'))
-        self.assertIn(self.purchase.date, response.content.decode('utf-8'))
+        self.assertIn('Alejo Mono', content)
+        self.assertIn('cafe', content)
+        self.assertIn('72500', content)
+        self.assertIn('quantity', content)
+        self.assertIn('11', content)
+        self.assertIn('date', content)
+        self.assertIn(self.purchase.date, content)
+        self.assertIn('lines', content)