diff --git a/apps/establishment/tests.py b/apps/establishment/tests.py
index 833f9b0a..743245d8 100644
--- a/apps/establishment/tests.py
+++ b/apps/establishment/tests.py
@@ -280,13 +280,13 @@ class PlateTests(ChildTestCase):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
         menu = Menu.objects.create(
-            category=json.dumps({"en-GB": "Test category"}),
+            category=json.dumps({"ru-RU": "Test category"}),
             establishment=self.establishment
         )
         currency = Currency.objects.create(name="Test currency")
 
         data = {
-            'name': json.dumps({"en-GB": "Test plate"}),
+            'name': json.dumps({"ru-RU": "Test plate"}),
             'establishment': self.establishment.id,
             'price': 10,
             'menu': menu.id,
@@ -300,7 +300,7 @@ class PlateTests(ChildTestCase):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
         update_data = {
-            'name': json.dumps({"en-GB": "Test new plate"})
+            'name': json.dumps({"ru-RU": "Test new plate"})
         }
 
         response = self.client.patch('/api/back/establishments/plates/1/', data=update_data)
@@ -316,7 +316,7 @@ class MenuTests(ChildTestCase):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
         data = {
-            'category': json.dumps({"en-GB": "Test category"}),
+            'category': json.dumps({"ru-RU": "Test category"}),
             'establishment': self.establishment.id
         }
 
@@ -327,7 +327,7 @@ class MenuTests(ChildTestCase):
         self.assertEqual(response.status_code, status.HTTP_200_OK)
 
         update_data = {
-            'category': json.dumps({"en-GB": "Test new category"})
+            'category': json.dumps({"ru-RU": "Test new category"})
         }
 
         response = self.client.patch('/api/back/establishments/menus/1/', data=update_data)