diff --git a/readthedocs/config/tests/test_validation.py b/readthedocs/config/tests/test_validation.py
index fa5ad793d4e..fc66740ead9 100644
--- a/readthedocs/config/tests/test_validation.py
+++ b/readthedocs/config/tests/test_validation.py
@@ -43,7 +43,7 @@ class TestValidateChoice:
 
     def test_it_accepts_valid_choice(self):
         result = validate_choice('choice', ('choice', 'another_choice'))
-        assert result is 'choice'
+        assert result == 'choice'
 
         with raises(ValidationError) as excinfo:
             validate_choice('c', 'abc')