diff --git a/apps/establishment/serializers/back.py b/apps/establishment/serializers/back.py
index 8903959f..bca1c6ee 100644
--- a/apps/establishment/serializers/back.py
+++ b/apps/establishment/serializers/back.py
@@ -64,14 +64,15 @@ class EstablishmentListCreateSerializer(model_serializers.EstablishmentBaseSeria
         read_only=True,
     )
     tz = TimeZoneChoiceField()
-    contact_phones = serializers.ListField(
+    phones = serializers.ListField(
+        source='contact_phones',
         allow_null=True,
         allow_empty=True,
         child=serializers.CharField(max_length=128),
         required=False,
         write_only=True,
     )
-    phones = ContactPhonesSerializer(read_only=True, many=True)
+    contact_phones = ContactPhonesSerializer(source='phones', read_only=True, many=True)
     emails = serializers.ListField(
         source='contact_emails',
         allow_null=True,
@@ -111,6 +112,11 @@ class EstablishmentListCreateSerializer(model_serializers.EstablishmentBaseSeria
             'status_display',
         ]
 
+    def to_representation(self, instance):
+        data = super(EstablishmentListCreateSerializer, self).to_representation(instance)
+        data['phones'] = data.pop('contact_phones', None)
+        return data
+
     def create(self, validated_data):
         phones_list = []
         if 'contact_phones' in validated_data: