diff --git a/server/books/tests/test_own_content_blocks.py b/server/books/tests/test_own_content_blocks.py
index 3e36ecd5..c743eaaa 100644
--- a/server/books/tests/test_own_content_blocks.py
+++ b/server/books/tests/test_own_content_blocks.py
@@ -53,7 +53,7 @@ class OwnContentTestCase(SkillboxTestCase):
 
         custom_content_block = ContentBlock(title='own', slug='own', user_created=True, owner=self.user)
         self.chapter.specific.add_child(instance=custom_content_block)
-        result = self.client.execute(chapterQuery, variables={
+        result = self.get_client().execute(chapterQuery, variables={
             "id": self.chapter_id
         })
         self.assertEqual(len(result.data.get('chapter').get('contentBlocks')), 2)
@@ -61,7 +61,7 @@ class OwnContentTestCase(SkillboxTestCase):
         for school_class in self.user.school_classes.all():
             custom_content_block.visible_for.add(school_class)
 
-        result = self.client.execute(chapterQuery, variables={
+        result = self.get_client().execute(chapterQuery, variables={
             "id": self.chapter_id
         })
         self.assertEqual(len(result.data.get('chapter').get('contentBlocks')), 2)